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COVID-19 vaccines may be tweaked if emerging coronavirus variants worsen, spread The WHO and FDA are looking to the global flu vaccine system to make decisions around the COVID-19 shots. The Associated Press February 16, 2021 09:54:42 IST Russian's Sputnik V COVID-19 vaccine is also under WHO's pre-approval process. Image: RDIF The makers of COVID-19 vaccines are figuring out how to tweak their recipes against worrisome virus mutations — and regulators are looking to ...

Covid 19 coronavirus: Vaccine dilemma facing scientists as virus mutates 16 Feb, 2021 01:22 AM 6 minutes to read There are no new Covid-19 cases in the community - the Government says it will be going deep into Wednesday before making a call on the status of the country's alert levels. There are no new Covid-19 cases in the community - the Government says it will be going deep into Wednesday before making a call on the status of the country's alert levels. AP By: Lauran Neergaard The makers of Covid-19 vaccines are figuring out how to tweak their recipes against worrisome virus mutations - an...

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The makers of COVID-19 vaccines are figuring out how to tweak their recipes against worrisome virus mutations — and regulators are looking to flu as a bluepri

Vaccine makers Pfizer and Moderna earned praise for creating highly effective covid-19 vaccines in record time.