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Airborne Infection of covid-19
Why is it in News?
- 239 scientists have written to WHO that airborne transmission is possible and called for revision of WHO recommendations
More on News
- WHO recommendations till date
(1) Covid-19 virus is primarily transmitted between people through
(a) respiratory droplets (If the droplets particles are larger than 5-10 microns in diameter)
(b) contact routes
(2) Droplets containing the virus, produced during speech, coughing, sneezing etc, are larger than 5-10 microns in diameter and eventually fall to the ground after travelling less than 1 metre due to gravity
- Scientists stand
(1) There is a possibility of aerosol transmission
(2) Virus can be present in droplet nuclei (less than 5 microns in diameter).
(3) Droplet nuclei can travel distances longer than 1 metre, and can remain in the air for a longer time