Page 37 - நோய்த்தடுப்பு நடவடிக்கை கூட்டணி News Today : Breaking News, Live Updates & Top Stories | Vimarsana

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 flu as a blueprint if and when the shots need an update.  It’s not really something you can sort of flip a switch, do overnight, cautioned Richard Webby, who directs a World Health Organization flu center from St. Jude Children’s Research Hospital. Viruses mutate constantly, and it takes just the right combination of particular mutations to escape vaccination. But studies are raising co

South africaUnited statesUnited kingdomNorman baylorPaul offitPeter marksColumbia university david hoJude children research hospitalWorld health organizationDrug administrationImmunization action coalition john grabensteinAmerican medical associationRichard webbyJude childrenAmerican medicalImmunization action coalition