Can snow kill bacteria?

There are many kinds of fungi, some of which cannot survive at low temperature; Some germs can only be killed by high temperature; However, most of the pathogens have been inhibited by low temperature, or entered a dormant period.

Snowy weather has played a positive role in curbing the spread of infectious diseases. According to medical experts, the spread of bacteria and viruses will be weakened after snowing, and the incidence of influenza A (H 1N 1), seasonal influenza and upper respiratory tract infection will also be reduced.

In fact, the sterilization ability at low temperature is not optimistic. Many saprophytic microorganisms (including many bacteria and fungi) have their own way of life at low temperature, just like in winter, but low temperature does play a bacteriostatic role, because at low temperature, the metabolic rate of organisms decreases, which inhibits the proliferation of microorganisms, thus playing a bacteriostatic role.

Extended data:

Snow can prevent dust from flying, the air quality is obviously improved after snow, and the survival rate of pathogenic microorganisms is obviously reduced, which is conducive to the prevention of respiratory diseases.

Since the winter, the number of patients with respiratory diseases such as colds and coughs admitted to Hebei Chest Hospital has increased significantly. Wang Liang explained that this has little to do with snowfall. If it doesn't snow for a long time, the air in winter will be cold and dry, which will make the content of dust and bacteria in the air higher, accelerate the spread of cold virus and easily induce respiratory diseases.

However, he reminded that people who are prone to respiratory diseases such as bronchitis and asthma are likely to get sick if they are not properly controlled.

People's Network-Snow is conducive to the prevention of respiratory diseases