Q: Why Wearing a Mask Can Prevent Infectious Diseases (new coronary pneumonia) ?

Avoid spreading viruses or bacteria to others 1. It is easy to spread pathogens when coughing and sneezing. 2.Wearing a mask can reduce the spread of droplets. Prevent yourself from being infected by viruses or bacteria 1. The mask has the function of filtering particles such as dust and droplets. 2. Different masks have different filtering efficiencies and different uses. Masks mainly prevent diseases transmitted by air or droplets 1.Masks are not a panacea for preventing disease transmission. 2.The most important thing to prevent disease is to pay attention to personal hygiene. Infected Person Healthy Infection rate Mask-wearing Mask-wearing 1.50% Mask-wearing Non-mask-wearing 5% Non-mask-wearing Mask-wearing 70%

Q: Mask Picture Comparison

Flat mask Three-dimensional mask What is a high-quality mask? Authoritative certification report: sN95 soft three-dimensional mask meets the requirements of medical equipment and other regulations of the Ministry of Health and Welfare. Patented filter material: sN95 soft three-dimensional mask has more than three layers of filter fiber material, the first surface layer is referred to as SP water repellent, and the second layer is referred to as MB. The middle layer is a high-density filter and melt-blown non-woven fabric with special electrostatic treatment. , The third layer is abbreviated as EP and the hydrophilic layer is ultra-fine composite fiber non-woven fabric, which can effectively prevent influenza, sandstorms, and haze damage (PM2.5). The body of the mask fits well with the face: The sN95 soft three-dimensional mask is equipped with a soft nose shape, which is comfortable and conformable. The three-dimensional cut does not directly touch the mouth, and it prevents the mask from getting lipstick. It is more secure and comfortable to wear and elastic ears. The belt is soft and comfortable, and it is not easy to be painful when worn for a long time. Combining authoritative certification, material consideration and careful design, the sN95 soft three-dimensional high-quality mask produced by Depot is expected to let you breathe more at ease.

Question 1

The Origin, Classification and Use of Masks

Accepted Answer

Mask refers to a type of equipment used to prevent the wearer from inhaling harmful components in the air, which can block smoke, vapor, gas, and suspended particles such as dust and airborne disease microorganisms.

Originated when the Black Death was rampant in Europe, the beak masks worn by some plague doctors were similar to modern medical masks or gas masks. The beak-like structure of the front end contained ambergris, Melissa, spearmint, camphor, cloves, and opium. Aromatic substances such as tincture, myrrh, rose petals, and Suhexiang, in addition to masking environmental odors, also have the functions of isolating patient droplets and sterilizing.

In 1897, the German Midach introduced a method of covering the mouth and nose with gauze to prevent bacteria from invading. Later, someone made a six-layer gauze mask, sewed it on the collar, and turned it over to cover the mouth and nose. That's fine, but this kind of mask has to be held down by hand, which is extremely inconvenient. Later, someone came up with a band to tie the ears, which has become a mask that people often use today.

In the 19th century, similar modern masks appeared and began to be used in the medical field. German pathologist began to advise medical staff to use gauze masks to prevent bacterial infections. In the early 20th century, masks became a must-have for the public for the first time, sweeping the world. The Spanish flu has claimed the lives of about 50 million people. The general population is required to use masks to fight off the virus. In the mid to late 20th century, the number of large-scale use of masks was obvious. In the historical pandemics, masks have played an important role in preventing and blocking the spread of germs.

Masks are now a must-have for many people. Everyone may wear masks for different reasons, such as colds, air pollution, undressed makeup, and insecurity. , To reduce the spread of the virus or prevent air pollution. Is the mask you replaced is correct and suitable? Don't think that you just have to wear a mask. There are many types of masks. Wearing the right mask can achieve the greatest effect!

Here are 5 common masks：

1.Cotton mask：

The function is to avoid inhaling dust or spraying droplets. It has an 80% barrier effect on particles above 6μm. It is used for general warmth or temporary replacement when surgical masks are not available. The advantage is that it can be repeatedly cleaned and used, which is more environmentally friendly, but if the cloth is cleaned frequently, it is easy to breed bacteria.
Suitable: Use when you can't buy surgical masks, or when riding a motorcycle to block wind, dust, and keep warm.

2.Surgical mask：

The structure is usually divided into three layers: the outer layer is anti-wave splashing, the middle layer has a filtering effect, the inner layer can absorb moisture, and has some barrier effects for particles above 6μm. The function is to avoid inhaling the droplets of the patient's cough. General surgical masks should be discarded after one use. If the masks are found to be damaged, wet or soiled, they should be replaced immediately. Suitable: Used to enter and exit unventilated places, such as clinics, hospitals, movie theaters, etc. (can protect about 25%) when you have a cold.

3.Activated carbon mask：

The activated carbon layer can absorb organic gases, and the fiber pores of the filter layer are smaller than cotton masks, so it can absorb the organic solvents emitted by the steam-attached locomotive. It is usually used in places where it is easy to inhale the odorous air, such as outdoor riding. Car, paint or spray paint, spray pesticides, etc. In addition, the activated carbon should be replaced when it cannot absorb odors. Suitable: For cleaning, painting and other irritating odor workplaces.

4.N95, N99 and PM2.5 grade masks：

N means that its material is only suitable for filtering non-oily dust. 95 means that this kind of mask can filter out more than 95% of fine dust with a volume of ≥0.3μm during use. The middle bulges into a cup shape, which is very consistent with the human nose and mouth, and has a certain filtering space. The N95 mask is helpful to block suspended particles and viruses.
Suitable for: special occasions, such as medical staff in hospitals who are in contact with people suffering from highly contagious STDs, employees in chemical plants, poor air environment, etc.

5. sN95 mask：

It is a soft three-dimensional mask, suitable for PM2.5 and N95 functions, and is a new type of mask produced in recent years.
Wearing a mask is the most convenient and simple protection. It not only protects ourselves, but also protects our family members, so that we can breathe more safely.

Question 2

Differences Between Bacteria & Viruses / Super Viruses

Accepted Answer

Viruses depend on the host, bacteria can survive independently

The structure of the virus is simple, with the viral nucleic acid as the main body and a layer of protein on the outside to form an organic matter, which is neither biological nor non-biological. The virus must rely on the host to multiply. After the virus invades the organism, it holds the cells in the organism tightly and reproduces continuously by attaching to the cells. The structure of bacteria is complex, and the innermost layer is also nucleic acid, but the outer part contains cell wall, cell membrane, cytoplasm, etc. Also because of the complex structure of bacteria, the size is several times that of viruses, and bacteria are also the smallest living organisms in the world, and they do not need a host. Metabolic survival.
Viruses and bacteria can cause disease in the human body. Most viruses are "bad guys" to the human body. They are usually pathogenic, such as enterovirus, influenza virus, cold virus, rotavirus, and norovirus.
Bacteria are mixed. The human body has coexisted with bacteria for a long time. It is found in the intestines, mouth, nasal cavity, and skin. Most of the bacteria that can coexist with the human body are good bacteria. But Salmonella, Listeria, pathogenic Escherichia coli, Staphylococcus aureus, etc. are not good for the human body.

Anti-bacterial weapons are more diverse than viruses

Viruses and bacteria have the same ability to cause disease in the human body, but the treatment methods are quite different. The structure of the virus is simple, so that scientists have so far only cracked some of the ways in which the virus invaded the human body, and developed some antiviral drugs, for example, the anti-flu to fight the flu virus.

Virus invasion mostly penetrates mucosal tissues

Whether it is a virus or a bacteria, the way to invade the human body is to first enter the human body through the exclusive transmission route, breaking through the body's defense mechanism "immune system". The prerequisite for a virus to invade the human body must be a match made in heaven with the protein in the body in order to be able to break through.
The virus invades the human body to grab the protein in the human body. The virus is like a key, and the protein in the cell is like a keyhole. The outline of the key must be completely matched before it can be opened, so that the virus can sneak into the cell. At home, steal the original consciousness of the protein in the cell, enslave the protein, and continue life for it. The most common channels for viruses to invade the human body are mucosal tissues, mouth, eyes, nasal cavity, and respiratory tract.

Bacteria are everywhere, and invade when the skin is broken

Bacteria coexist with the human body for a long time. The shadow of bacteria can be seen everywhere in the skin or in the human body. The only sterile organs in the body are blood, muscles, central system, brain, etc. If the blood-brain barrier of the brain is broken by bacteria , It can also cause disease due to bacterial invasion.
Because bacteria surround the human body, it is very simple to invade the human body. As long as there is a break in the skin or between the organs, the bacteria can attack the human body in one fell swoop. Most of the time, the human body's immune army can resist bacteria and foreign enemies for the first time. However, when the human body's immunity declines, the power of bacteria will explode.

Question 3

You Don't Know About PM2.5  - Silent Killer

Accepted Answer

What is PM2.5?

PM stands for the abbreviation of Particulate Matter, and 2.5 means the particle size in micrometers (µm). Therefore, PM2.5 means suspended particles with a particle size of less than 2.5 µm.
But just for this description, it should be difficult to imagine how small PM2.5 is, right? Let us give you a comparison of some small things that everyone feels in their daily lives! The fine sand on the beach has a diameter of about 90 µm, which is 36 times larger than PM2.5, and the diameter of a human hair is about 50–70 µm, which is 20-28 times larger than PM2.5. So PM2.5 is really very small particles! It has such a great impact on the human body, which is also related to its particle size. If it is a larger particle, the mucous membrane and cilia of the human respiratory tract can usually be blocked and eliminated, but with such a small particle, your respiratory system is really difficult to defend.

What adverse effects will PM2.5 have on health?

The World Health Organization (WHO) pointed out that more than 90% of the global population is breathing high levels of pollutants. Approximately 7 million people get sick and die every year due to exposure to suspended particulate air pollution.
Domestic research also pointed out that there are about 6,000 to 8,000 people in Taiwan who die each year due to air pollution. The deaths of the four major chronic diseases, including stroke, ischemic heart disease, lung cancer and lung obstruction, are all related to PM2.5.
For example, adult exposure to PM2.5 may cause cardiovascular disease due to the inflammatory response caused by aerosols, and may also increase the risk of chronic kidney disease, while adult women may increase the risk of death from ovarian cancer.
The effect of PM2.5 on the elderly is also related to the inflammation in the body. Inflammation may cause high blood pressure, hyperlipidemia, and hyperglycemia, which is also commonly known as the three highs. Inflammation plus three highs can cause porridge. The occurrence of arteriosclerosis and cardiovascular disease.
Exposure to PM2.5 during pregnancy may increase the risk of miscarriage. When the exposure concentration increases by 10 µg/m3, the fetus is more likely to have growth retardation, less than the age of pregnancy, and low birth weight (<2500g). Children's chance of developing asthma symptoms in early childhood (0-9 years old) is also increased by exposure to PM2.5.
For children, PM2.5 may stimulate mucosal secretion, induce asthma problems, and affect lung function.
It may even cause lung cancer, which can easily lead to allergic conjunctivitis, making the eyes red, dry, itchy, and photophobic.
It may also affect children's cognitive development such as memory and concentration.
If you are a patient who has suffered from type 1 diabetes, cardiovascular disease, and respiratory disease, or belong to the elderly, children, and obese people who are more susceptible to air pollution, the health effects are more serious than the general public of.

The PM2.5 problem is serious and dangerous. What should we do?

If you can protect yourself, experts will certainly not object, but because PM2.5 is really too difficult to protect! Even if a lot of effort and resources are spent on self-protection, the effect is still very limited. Only by reducing emissions can the problem be solved fundamentally.
To reduce emissions, we need the government to formulate relevant environmental protection policies and the cooperation of the people. Although the government has taken action, as citizens of a democratic country, in addition to cooperating with emission reduction policies, we must play the role of citizens. , Continuously supervise the relevant decisions of the central and local governments.

Before the air quality is improved from the source, you can protect yourself through the following six principles:

Remember to bring a mask when you go out.
Prevent PM2.5 from entering your home, and close doors and windows during peak traffic.
Avoid making PM2.5 at home, it will cause PM2.5 when dusting and burning, for example, indoor incense burning should be avoided.
Exhaust PM2.5 in the home as much as possible, using air purifiers and exhaust fans (but the actual degree of removal needs to be evaluated).
Check the local air quality before going out, and determine the intensity of the activity based on the result of the inquiry.
Avoid exercising on roads with heavy traffic. A larger breathing volume during exercise will make you inhale more PM2.5.

Is it effective to wear a mask to prevent PM2.5?

The Department of Disease Control pointed out that the common masks on the market include cotton masks, activated carbon masks, medical masks, N95, sN95, N99 and other masks, of which only N95, sN95, N99 and PM2.5 (above) masks can filter 95% The above suspended particles can effectively prevent PM2.5.
But don’t think that other masks are completely meaningless. When the air quality is poor, you can still wear cotton masks and medical masks, and you can still filter larger suspended particles (such as PM10). For some substances that may cause allergies, Still somewhat helpful.

Question 4

The Impact of Air Pollution on Human Health

Accepted Answer

What is air pollution?

Air pollution, also known as air pollution, usually refers to foreign substances that enter the near-ground or low-level atmospheric environment in gaseous form, endangering the comfortable and healthy environment of human beings. Such as nitrogen oxides, sulfur oxides and carbon oxides, fly dust, suspended particles, etc., sometimes including formaldehyde, radon, and various organic solvents, which have adverse effects on the human body or the ecosystem. Air pollutants mainly include: carbon monoxide (CO), nitrogen oxides (NOx), hydrocarbons (H air pollutants C), sulfur oxides and particulate matter (PM).
PM10 refers to particles suspended in the air with a particle size of less than 10 microns, which can enter the lungs with people breathing air, and stay in different parts of the respiratory tract by collision, diffusion, deposition, etc., and the particles with a particle size of less than 5 microns are more retained. In the upper respiratory tract.
PM2.5 refers to particles with an aerodynamic equivalent diameter less than or equal to 2.5 microns, with small particle size, large area, strong activity, easy to carry toxic and harmful substances (for example, heavy metals, microorganisms, etc.), and has a long residence time in the atmosphere. Long transportation distance has a greater impact on human health and the quality of the atmospheric environment, and it will invade the lungs and alveoli.
PM0.3 is the general term for solid particles or liquid droplets with a diameter less than or equal to 0.3 microns in the air, also known as lung particles, which can enter the lower respiratory tract and lungs as people breathe air. PM0.3 is not only small in particle size, but also rich in a lot of toxic and harmful substances. It stays in the atmosphere for a long time, and the source of PM0.3 is very wide. People can hardly avoid contact with it in daily life.

Harm to the human body:

The hazards of air pollutants to the human body are mainly manifested in respiratory diseases and physiological dysfunction, and mucosal tissues such as eyes and nose are irritated and diseased. When the concentration is very high, it will cause acute pollution poisoning, or worsen the condition, and even kill thousands of people within a few days. In fact, the low concentration of pollutants can also cause diseases such as chronic bronchitis, bronchial asthma, emphysema and lung cancer.
Long-term exposure to particles can cause cardiovascular and respiratory diseases, as well as lung cancer. When the concentration of PM2.5 in the air is higher than 10μg/m³ for a long time, the risk of death will increase. For every 10μg/m³ increase in concentration, the total risk of death increases by 4%, the risk of death caused by cardiopulmonary diseases increases by 6%, and the risk of death caused by lung cancer increases by 8%. In addition, PM2.5 easily adsorbs organic pollutants such as polycyclic aromatic hydrocarbons and heavy metals, which significantly increases the probability of carcinogenesis, teratogenesis, and mutagenesis.
Fine particles are more harmful to human health, because the smaller the diameter, the deeper the part that enters the respiratory tract. Particles with a diameter of 10 μm are usually deposited in the upper respiratory tract, and those below 2 μm can penetrate deep into the bronchioles and alveoli. After the fine particles enter the human body to the alveoli, it directly affects the ventilation function of the lungs, making the body prone to hypoxia.

The main sources of air pollution：

（1） Industrial production: smoke and dust, sulfur oxides, nitrogen oxides, organic compounds, halides, carbon compounds, etc. Some of them are smoke and dust, and some are gases.
（2）Living stoves and heating boilers: During the combustion process, a large amount of dust, sulfur dioxide, carbon monoxide and other harmful substances will be released to pollute the atmosphere.
（3）Transportation: Especially the exhaust gas emitted by cars in cities is mainly carbon monoxide, sulfur dioxide, nitrogen oxides, etc., which are very harmful.
（4） Smoke from forest fires and garbage incineration. The current state of air pollution in China is very serious. Mainly manifested as soot-type pollution, and the emission of motor vehicle exhaust pollutants is increasing.

Air pollution index

The prediction of the air pollution index can remind the public, especially those who are sensitive to air pollution, such as those suffering from heart disease or respiratory problems, to take preventive measures when necessary before serious air pollution occurs.

Air Pollution Index Quality Level Quality Status Color Effect 0-50 I level Excellent Green No harm to public health 51-100 II level Good Yellow Except for a very small number of people who are particularly sensitive to certain empty dirt, no harm to public health 101-150 III level(1) Slight pollution Orange People who are more sensitive to pollutants, such as children, the elderly, patients with respiratory diseases, or heart disease, and people who like outdoor activities, will have their health affected, but it will have little effect on healthy people. 151-200 III level (2) Light pollution Red Almost everyone's health will be affected, especially for sensitive people 201-300 IV level Medium pollution Purple Everyone’s health will be seriously affected 大於300 V level Heavy pollution Maroon Everyone’s health will be seriously affected

Precaution:

Don't throw waste away.
When going out, try to take public transportation such as buses, MRTs, and trains to reduce a lot of exhaust gas.
Participate in tree planting and other greening activities.
The car is equipped with an exhaust gas treatment device, and lubricating oil is used to fully burn the fuel and reduce harmful gas emissions.
Reduce going out in haze weather (According to relevant explanations, Ozone is ozone, while PM2.5 refers to fine suspended particles with a diameter of 2.5 microns or less, also known as lung particles. This kind of suspended particles is in the air. "Health killer." Causes extensive damage to the respiratory system, heart and blood system, etc.).
Wear masks at home (Materials, service life, technical level and other factors of masks are the criteria for defining the quality of masks. Consumers who have no special needs do not need to rush to buy "concept masks" with various functions).
Pay attention to clean (deeply clean the pores of dust and bacteria, protect the first line of defense of human body protection-skin).
Supplement nutrition, appropriately supplement 100 micrograms of selenium, "Selenium is a natural antidote" to enhance resistance.

Question 5

Why Wearing a Mask Can Prevent Infectious Diseases (new coronary pneumonia) ?

Accepted Answer

Avoid spreading viruses or bacteria to others

1. It is easy to spread pathogens when coughing and sneezing.
2.Wearing a mask can reduce the spread of droplets.

Prevent yourself from being infected by viruses or bacteria

1. The mask has the function of filtering particles such as dust and droplets.
2. Different masks have different filtering efficiencies and different uses.

Masks mainly prevent diseases transmitted by air or droplets

1.Masks are not a panacea for preventing disease transmission.
2.The most important thing to prevent disease is to pay attention to personal hygiene. Infected Person Healthy Infection rate Mask-wearing Mask-wearing 1.50% Mask-wearing Non-mask-wearing 5% Non-mask-wearing Mask-wearing 70%

Question 6

Did You Choose the Right Mask?  How to Choose a Mask that Suits You？

Accepted Answer

As people pay more attention to the problem of air pollution, masks have become a health necessity. Convenience stores can buy simple disposable flat masks. There are many different styles on the Internet. How to choose? In addition to considering the filtering effect, it is also necessary to take into account the comfort of wearing.

Is there a filtering effect when wearing a cotton mask and riding a motorcycle?

"Cotton masks are multi-colored, durable and washable. Wearing it on a motorcycle, the nostrils will not turn black, so it should be helpful?" This is a question of many motorcycle races, but the particles attached to the nasal cavity are larger than ten microns. Cotton masks can filter out about 80%. Motorcyclists will feel that their noses are relatively clean, but their filtering effect is actually very limited for small particles that can penetrate into the lungs and are related to many diseases.

Add activated carbon, mask filtering effect is better?

For people who have been in the car fleet for a long time, such as locomotives, free crosses, roadside parking toll collectors, etc., if they are worried about traffic exhaust, in addition to filtering particulates, considering that the exhaust includes organic solvents, they can choose masks containing activated carbon.
With an extra layer of activated carbon, the effect of isolating particles remains unchanged, and it can absorb organic solvents and odors. It is suitable for cycling, spraying insecticides or painting. The effect of isolating particles remains unchanged, but it will affect air permeability and increase Respiratory resistance, so if the focus is only on preventing suspended particulates, it is not recommended to use medical masks containing activated carbon.

How long can disposable masks last? Is it necessary to change the new one every day to ensure the filtering effect?

Medical staff and patients who are in highly polluted workplaces or who want to avoid the spread of viruses and bacteria must pay attention to changing their masks. Masks worn simply to prevent air pollution can be reused; interestingly, as the adsorbent increases, the filtering effect of the mask will be reduced. Better, but the resistance to breathing will also increase with time.
When to change the mask, you can follow your personal habits, but when the mask may be contaminated, damaged, deformed, dirty, smelly, increased breathing resistance, or the elastic band loses elasticity, you must change a new mask. In addition, there are more and more photo-decomposable masks. Avoid long-term direct sunlight when storing.

Does Depot's sN95 soft three-dimensional mask have a good filtering effect? How comfortable is it to wear?

Depot's sN95 soft three-dimensional mask is made in Taiwan. It can not only effectively prevent influenza and sandstorms, filter airborne particles, but also has a bacterial filtration efficiency (BEF) as high as 99%.

Depot’s sN95 soft three-dimensional mask has undergone continuous testing and adjustment, and the following design ingenuity has been added

Three-dimensional tailoring, not directly touching the mouth, and avoiding repeated contamination of your mouth foam and lipstick, making wearing more secure and comfortable.
Comes with a soft nose bridge, which is comfortable and fit.
The special elastic earbands are soft and comfortable, and the ears are not easy to be painful when worn for a long time (more suitable for long-time wearing).
4 layers of filter fiber material, in line with the medical equipment of the Ministry of Health and Welfare and TTRI, SGS inspection.
Breathable fabric, no eczema in summer, no dead ends when worn, and preventing the infiltration of dirty air. It is to make consumers feel at ease and comfortable.

We need to pay attention to:

After wearing a mask, you must follow your breathing to rise and fall to be correct.
Try not to talk while wearing a mask, and don't pull the mask frequently with your hands.
It is more important to wash your hands frequently to increase your immunity.

Question 7

Mask Picture Comparison

Accepted Answer

Flat mask Three-dimensional mask

What is a high-quality mask?

Authoritative certification report: sN95 soft three-dimensional mask meets the requirements of medical equipment and other regulations of the Ministry of Health and Welfare.
Patented filter material: sN95 soft three-dimensional mask has more than three layers of filter fiber material, the first surface layer is referred to as SP water repellent, and the second layer is referred to as MB. The middle layer is a high-density filter and melt-blown non-woven fabric with special electrostatic treatment. , The third layer is abbreviated as EP and the hydrophilic layer is ultra-fine composite fiber non-woven fabric, which can effectively prevent influenza, sandstorms, and haze damage (PM2.5).
The body of the mask fits well with the face: The sN95 soft three-dimensional mask is equipped with a soft nose shape, which is comfortable and conformable. The three-dimensional cut does not directly touch the mouth, and it prevents the mask from getting lipstick. It is more secure and comfortable to wear and elastic ears. The belt is soft and comfortable, and it is not easy to be painful when worn for a long time.

Combining authoritative certification, material consideration and careful design, the sN95 soft three-dimensional high-quality mask produced by Depot is expected to let you breathe more at ease.

Knowledge