Medical surgical masks have three layers, from the outside to the inside are waterproof filter layer comfort layer, pay attention to the purchase, should be clearly marked on the packaging of surgical masks

1. N95/KN95 Mask

   Can effectively prevent respiratory tract infection, can prevent haze

2. N95 respirators are one of nine respirators certified by the National Institute for Occupational Safety and Health (NIOSH). N stands for "not suitable for oily particles".Refers to 95, under the condition of the NIOSH standards stipulated by the detecting, filtration efficiency reached 95% N95 is not a specific product name as long as the N95 standards, and through NIOSH review products can be called the biggest characteristic of N95 respirator N95 respirator is can be prevented by the patient's body fluids or blood spatter droplet infection caused by the size of the droplets of diameter of 1 to 5 microns the occupational safety and health administration (OSHA) for medical institutions, exposed to the bacterium's medical staff must wear N95 standards over the masks.

3. Compared with medical surgical masks,N95 respirators are better sealed. When choosing N95 respirators, try to choose N95 respirators without breathing valves

There are also the following matters needing attention

when going to the hospital to see a doctor to visit a patient, especially when going to the hospital fever clinic or respiratory department should wear a mask;In the season of high incidence of respiratory infections, it is recommended to wear masks when going to crowded places such as supermarkets, shopping malls and cinemas

To prevent transmission of the disease to others, wear a mask when you have symptoms of respiratory diseases such as fever, cough and runny nose

How to wear masks for special people?

Pregnant women wear respirators, combined with their own conditions, should be paid attention to choose those products before wearing comfort should consult a medical professional, confirm their own physical condition is suitable for the elderly and patients with chronic condition, such as patients with cardiopulmonary diseases can cause discomfort after wear, even worsen existing condition, these people seek doctor's professional instruction children in the growth stage, its shape is small, suggest children choose normal manufacturer production respirators