There are four endemic coronaviruses that are present, causing the common cold. And many experts believe that Covid-19 will become the fifth. As things stand, most people have not been infected and remain susceptible to the infection.
from US News Headlines, Latest USA News, America Breaking News - Times of India https://ift.tt/2Aaojah
from US News Headlines, Latest USA News, America Breaking News - Times of India https://ift.tt/2Aaojah
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