Forbes July 18, 2022
Late last month, the Food and Drug Administration advised COVID-19 vaccine manufacturers to develop booster shots aimed at the omicron variant of the virus. Regulators hope the shots will be ready by the fall.
That will probably be too late to stop BA.5, the highly transmissible subvariant that has quickly become the dominant strain in the United States.
It’s been roughly six months since omicron caused COVID cases to spike. Yet the FDA waited until a new, more transmissible version of the virus was threatening a wave of cases and reinfections to recommend updating the vaccines, which are based on a two-year-old version of the virus that bears less and less resemblance to today’s offshoots.
This is all par for...
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