Monday, May 17, 2021

Airborne Transmission of SARS CoV-2 -- A Distinct possibility

 WHAT IS AIRBORNE TRANSMISSIONS ?                     It is the spread of an infectious agent caused by the dissemination of droplet nuclei (aerosols) that remain infectious when suspended in air over long distances & time The infectious droplet nuclei can be inhaled by healthy people into their lungs.                                                                                         EMERGING EVIDENCE OF AIRBORNE SPREAD OF SARS - COV - 2 239 scientists have claimed that SARS - CoV - 2 can spread through air, and as per WHO, airborne transmission of the virus can occur during medical procedures that generate aerosols The possibility of aerosol transmission has been suggested in some outbreak reports related to indoor crowded spaces .                          HOW SMALL IS CORONAVIRUS?    One hundred million coronavirus particles could fit on the head of a pin Fine beach sand ~ 90 microns Human hair ~ 50-70 microns PM 10 (Dust, pollen, etc.) - 10 microns PM 2.5 (Combustion particles, etc.) 2.5  microns - SARS - CoV - 2 - 0.1 micron                                                                                             DIFFERENCE BETWEEN AIRBORNE & DROPLET TRANSMISSION DROPLET TRANSMISSION.                                         Coughs & sneezes from an infected person can spread respiratory droplets (> 5-10 microns) of saliva and mucus to people in close contact (within 1 m) AIRBORNE  ) produced can remain sus pended in the air for longer & be transmitted to others over distances greater than 1m.                                                                                                                     PRECAUTIONS AGAINST AIRBORNE TRANSMISSION OF SARS - COV - 2 Elaborating on how one can keep oneself safe in such a scenario, CSIR chief Shekhar C Mande suggested, avoid large crowded gatherings keep enclosed places like workplaces well ventilated most importantly, continue wearing masks even in enclosed  spaces                                   copyright ©️ - Gaurav khandare

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