Lee Harrison

Professor of Epidemiology, Medicine, and Infectious Diseases and Microbiology, University of Pittsburgh

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Massive numbers of new COVID–19 infections, not vaccines, are the main driver of new coronavirus variants

Massive numbers of new COVID–19 infections, not vaccines, are the main driver of new coronavirus variants

10 Sep 2021

6 min read

Down To Earth

www.downtoearth.org.in