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Do I need to wear a mask when traveling in Wuhan? Where can I buy n95 masks?
The difference between n95 mask and other masks
Medical surgical masks can block 70% of bacteria, N95 masks can block 95% of bacteria, and cotton masks can only block 36% of bacteria, so choose the first two masks.
Where can I buy n95 masks?
If citizens go to public places and don't touch patients, it is enough to wear medical surgical masks without excessive protection. However, if they come into contact with patients, they should wear N95 masks with biological resistance. Medical masks are generally available in pharmacies, and medical N95 masks can only be purchased in new pharmacies or medical device companies in Hangkong Road, Hankou.
3m and n95
Masks are divided into gauze masks, surgical masks, activated carbon masks and protective masks. However, labor protection masks cannot be used as medical masks. It is understood that disposable medical masks can be used to block inhalable particles from entering the human body. Medical masks are mainly aimed at inhalable particles above PM3, and N95 masks have 95% blocking function for inhalable particles below PM2.5 Experts suggest that wearing a relatively thick mask can provide better protection.
The main resistance object of 3m dust mask is particulate matter. The concept of dust is narrow. Dust belongs to the concept of particulate matter, including dust (produced by mechanical crushing), fog (liquid), smoke (produced by combustion) and so on. ) and microorganisms, also known as aerosols. There are very few particles that can enter the deep layer of human lungs, and the particle size is usually below 7 m. It is called respiratory dust, which is harmful to health and is the culprit of various pneumoconiosis.
protection measures
Fingertips and thumbs are easily overlooked.
Liang Jiansheng said that hand washing should be done in running water. Take a proper amount of hand sanitizer (soap), evenly spread it on the whole palm, and carefully rub your hands for at least 15 seconds to clean all skin and fingers. There are six specific steps:
1. palms facing each other, fingers together, rubbing against each other.
2. The opponent's palm and back alternately rub along the fingers.
3. palms are opposite, hands are crossed, and fingers rub against each other.
4. Bend each finger joint, rotate and knead in the palm of the other hand, and exchange.
5. Hold each other's thumb in one hand, rotate and knead, and exchange.
6. Put five fingertips together in each other's palm, rotate and knead, and exchange.
Finally, wash your hands under running water, dry them and use paper towels.
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