Tag: SARS-CoV-2 virus

New Delhi: Scientists have found a mutation in the SARS-CoV-2 virus, responsible for the Covid-19 pandemic that can cause infection ...

New Delhi: Frequent respiratory viruses and bacteria may have boosted children’s immune systems, saving them from the worst effects of ...

New York: While tobacco smokers are known to have worse Covid-19 outcomes, a new study showed that vapers are more ...

London:  Symptoms of Covid-19 infection appear in 42 hours after being exposed to SARS-CoV-2 virus, much earlier than previously thought, ...