'WHO issued an emergency use listing for Covovax, expanding the basket of WHO-validated vaccines against COVID-19. The vaccine is produced by the Serum Institute of India under licence from Novavax,' the world health body said in a tweet on Friday.
Once touted as a 'wonder drug', HCQ has been battling global controversies around its safety and efficacy as a prophylactic against the new coronavirus SARS-CoV-2.
As worries over India's COVID-19 spike mount -- the country added 75,809 cases on Tuesday to take its tally to 42,80,422 -- scientists are grappling with the pivotal issue of antibodies and trying to understand how they impact on the progression of the disease.
'The genetic thing is not in your control. The virulence is not known.' 'The only thing is if you can avoid it.' 'Once you get COVID-19, none of it is in your control.'
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