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Masks

Mask Holiday Ends

New standard operating procedures (SOPs) have come for schools. One can hear the sound of police sirens again. A major worry is the Delhi Metro travel.

Why one should wear mask to prevent Covid spread?

The study also confirms the intuitive assumption that for effective protection against infection, in particular. The infected person should wear a mask that filters as well as possible and fits tightly to the face.

Unmasking India

In a crowded country such as ours, the sight of hordes of unmasked people - even though we had to pay a heavy price in terms of human lives - shows public apathy of gargantuan proportions. And the governments that turn a blind eye to it betray equal unconcern. The received wisdom is that masks are most useful in crowded and indoor spaces, and that it is important to wear well-fitted masks and to continue education efforts to increase adherence. Whether most people become law-abiding out of habit or fear of consequences, to avert chaos or all of them depends upon both a culture of discipline and consent. The disorderly urban chaos that defines us is due as much to the lack of civic discipline as to a state wary of imposing it

Why and how face masks are effective in limiting Covid spread

"For the airborne transmission of SARS-CoV-2, we find that usually just a minor fraction of exhaled respiratory particles contains viruses. Most environments and contacts are under virus-limited conditions, wear face masks, including simple surgical masks, have a high efficacy in preventing the spread of Covid-19."