According to Professor Benjamin Davido, medical director and Covid-19 referent at the Garches hospital of the Public Assistance-Hospitals of Paris (AP-HP), opening the windows divides by ten the amount of virus in a room.
The need for barrier gestures
Infectious disease and medical director and Covid-19 referent at Garches AP-HP hospital, Prof. Benjamin Davido, explained that nine cases of contamination at coronavirus in ten are due to transmission by “air droplets“. Hence the importance of adopting the barrier gestures to avoid contamination.
The barrier gestures are all the behaviors that make it possible to act as a barrier to the virus, whether it is coronavirus or other respiratory viruses, such as influenza. They are, among others:
- Wearing a mask,
- Injection of the vaccine,
- Room ventilation,
- Hand washing,
- Social distancing …
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The importance of ventilation
Prof. Benjamin Davido indicated that theaeration is extremely important in the event that it aims to recycle the air. According to the infectious disease specialist, opening the windows for five to ten minutes an hour can reduce the amount of virus in the room by ten.
“You divide by as much the probability of infecting yourself“, he adds.
> To read also: Covid-19: Recommendations for ventilation and air conditioning
What is an aerosol?
The aerosols refer to particles suspended in the air. According to the doctor, it is therefore important to wear the mask indoors to limit the risk of dispersing these particles between people in the room.
If the room is not ventilated, you have to try to find an entrance door in order to circulate the air. It is also necessary to make sure to have a masque well adjusted, that is to say above the nose and below the chin in a well-sealed manner.
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