The National Centre for Infectious Diseases is carrying out a study to determine if the coronavirus is naturally airborne, and infectious in such a form.
Since the start of the outbreak, WHO has stuck to its stance that the coronavirus is primarily transmitted via contaminated droplets, which are relatively heavy and do not remain in the air for long. But Dr Marr and her peers say it does travel much farther than the 1-2m expected of a droplet-borne illness, putting people in prolonged contact at close range, especially indoors, at risk.
Dr Marr and her fellow scientists said that in the light of evidence that the virus spread could be airborne, the public should consider social distancing, wearing face coverings such as masks, avoiding crowds, ensuring good ventilation with outdoor air and looking after their own hygiene. Typically, viruses present in particles that are smaller than five microns are considered capable of being transmitted through air.NCID senior consultant Kalisvar Marimuthu said that researchers here have not seen sufficient strong evidence to place Sars-CoV-2 - the virus which causes Covid-19 - in the same category of airborne viruses as measles, chickenpox and tuberculosis.
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