https://yespunjab.com/covid-keeps-coming-back-but-is-it-something-to-worry-about-dr-randeep-guleria/
New Delhi, Dec 31 2023- Covid is now a viral infection and is caused by a virus which has now become endemic. Like influenza, the Covid-19 virus will continue to survive and there will be small spikes in the number of cases whenever there is a mutation in the…
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