Coronavirus spreads from person to person, usually when someone comes into contact with the secretions of an infected person. The infectivity of the virus directly affects the route of transmission. The current spread of the novel coronavirus is not yet clear, but according to past experience, contact with body fluids from coughing or sneezing or shaking hands with an infected person may cause infection. If you touch something that an infected person has touched with your hand, and then touch your own mouth, nose, or eyes, you can also spread the virus. So be sure to wear a mask! Even if you are in contact with an infected person, wearing a mask can prevent you from directly inhaling the virus in the droplets. Be sure to wash your hands frequently! Even if the virus is left on your hands, washing your hands can prevent the virus from entering the body through your hands. kn95 mask is a kind of better protective effect besides n95 mask. If it is under normal conditions, no matter what kind of mask it is, it is disposable, and one needs to be replaced after four hours of use, but , Special circumstances always require special treatment, so kn95 masks can still be reused, but if the mask is obviously damaged or obviously defaced, it must be replaced immediately. Can masks be washed with water? Professional anti-particulate masks cannot be washed and disinfected, otherwise the filter material in the mask and the structure of the mask will be damaged. Will the breathing valve of the mask affect the filtering effect? u200bu200b The exhalation valve on the 3M mask is a one-way valve, which is opened when exhaling and closed when inhaling. The exhalation valve must undergo a strict air tightness test, which will not affect the mask The filtering effect. How to deal with the problem of the smell of masks? Is it harmful? Masks may smell. However, the materials used in 3M masks have been evaluated by the 3M Medical Department of toxicology, with special attention to assessing the risk of skin irritation, allergies or toxicity caused by the basic chemical salt content of the product and the raw materials, so this smell will not have an adverse effect on health. If the mask can be placed for a short period of time in a clean, ventilated environment, the odor can usually be reduced and the discomfort to the odor can be reduced. Will there be any impact on breathing after wearing a copper mask
? Wearing a protective mask will have a certain degree of respiratory resistance. Certain physical conditions are not suitable for wearing respirators, such as some people with chronic cardiopulmonary diseases, emphysema, angina, and uncontrollable Patients with high blood pressure: In addition, some people will experience anxiety and anxiety (claustrophobia) after wearing protective masks, and they are not suitable for wearing. In special periods, there are three ways to recycle disposable masks: (disposable masks only ) 1. Steam in boiling water for 3 minutes and dry with 2.75% alcohol spray on both sides and then dry 3. Medical UV lamp for 10 minutes! Choose one of three. (Special treatment for special periods) Be wary of contact transmission, fecal transmission, in and out of the house Wash your hands with running soapy water, two-way management. When buying food when you go out, you must boil and cook, and buy and eat less raw food. Try not to touch your mouth, nose, and eyes with your hands. Finally, any medicines that are effective recently, especially Don’t just believe in hoarding Chinese medicines and proprietary Chinese medicines. Experiments can prove effective, not so fast. 335
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