'The worst version' of COVID is spreading. Can we update our vaccines in time? - Yahoo News Canada

Viruses evolve, and vaccines should too. That was the big-picture takeaway from a pivotal meeting this week of the FDA’s expert advisory panel. The question ...

For the last 18 months, the original COVID-19 vaccines first as a two-dose series, then as boosters have done an extraordinary job shielding us from illness, hospitalization and death. Globally, they… [+7453 chars]

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