The US Food and Drug Administration on Wednesday authorized the retooled Covid-19 booster shots of both Moderna and Pfizer/BioNTech that target the currently dominant BA.4/BA.5 Omicron subvariants of the coronavirus. Photo: AFP
Coronavirus: US authorises Moderna, Pfizer/BioNTech vaccine boosters retooled for Omicron variants
- Until now, Covid-19 vaccines targeted the original coronavirus strain, even as wildly different mutants emerged
- The FDA’s Dr Peter Marks said a vaccine matched to currently spreading variants might do a better job fighting infection, not just serious illness
The US Food and Drug Administration on Wednesday authorized the retooled Covid-19 booster shots of both Moderna and Pfizer/BioNTech that target the currently dominant BA.4/BA.5 Omicron subvariants of the coronavirus. Photo: AFP
