Due to new data on vaccine effectiveness with Delta and Omicron variants, for USATF sanctioned events that take place on or after January 7, 2022, being fully vaccinated no longer exempts select ...
Due to new data on vaccine effectiveness with Delta and Omicron variants, for USATF sanctioned events that take place on or after January 7, 2022, being fully vaccinated no longer exempts select ...
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