On January 29, Zhan Qingyuan, a national clinical surveillance expert for the new-type coronavirus pneumonia, said that the new coronavirus has a shorter survival time on woolen clothing.
Subsequently, Weibo user famfamfam further explained this, saying that most viruses can maintain infection activity for a longer time on a smooth, nonporous, hard surface.
Here is an explanation from famfamfam:
The most important factor is non-porous surfaces.
Viruses depend on a certain amount of water to maintain their structure. On smooth, non-porous surfaces, moisture can be better retained, while porous surfaces can "drain" the virus, rendering the virus inactive.
Although the overall resistance of the virus to the natural environment is very poor, UV, organic solvents, dry, high temperature can kill various viruses, but the resistance of different viruses is still different.
According to the general rule, viruses with capsules are less resistant than viruses without capsules, because the invasion of capsule viruses into host cells depends on the integrity of the capsule glycoprotein and capsule structure, and the natural environment can easily damage the capsule. The membrane also cuts off the possibility of viral infection.
Encapsulated viruses are generally more resistant to organic solvents, and parvoviruses such as parvoviruses can tolerate relatively high temperatures.
Coronaviruses are enveloped viruses.
Enveloped viruses, such as coronaviruses and influenza viruses, can be maintained on smooth, nonporous surfaces under conditions of no wind and no sun for 1 to 2 days. Encapsulated viruses, such as hepatitis A virus, Norovirus can last up to several weeks.
Wind blowing can accelerate virus drying, lose activity, and fall off from the surface of the article. Ultraviolet rays in sunlight can effectively kill various viruses.
Keyboards, door handles, lighting switches, elevator buttons, bus handrails, etc. These non-porous hard surfaces that are often touched by hands are the highest risk.
Therefore, I repeatedly emphasized that I wash my hands frequently. When I come back from outside, I must wash my hands first, to avoid touching the virus to things at home.
All hand sanitizers, soaps, soaps, and active ingredients are surfactants, which can destroy the lipid capsule.
For surfaces that are easy to wipe and have no risk of leakage, wipe it once with soap and water, and then wipe it again with diluted 84 or medical alcohol, which can effectively prevent the spread of the virus.
Do not go to many places, wear masks, wash hands frequently, ventilate, bathe and change clothes, cough etiquette, do not touch the animals outside, do proper surface disinfection.
Take precautions to prevent many diseases, and to avoid panic from other diseases with similar symptoms.
Everyone protects himself and contributes!
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