A year into the pandemic, overwhelming scientific evidence points to the fact that Covid-19 is much likelier to spread through airborne transmission than by surface contact.


Bengaluru/New Delhi: An unusual wooden paddle with a nail-studded leather face at the Smithsonian Institution, US, is a relic from 1899, when authorities in Alabama used it to perforate mail, which was then fumigated with sulphur as a precaution against yellow fever.  

A year later, researchers discovered that the disease was spread by a mosquito-borne virus — the exercise of fumigating mail was, thus, futile.

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