Omicron BA.5 strain may shorten COVID immunity from 3 months to 28 days, research shows

2024/06/0805:01:05 news 66030
Omicron BA.5 strain may shorten COVID immunity from 3 months to 28 days, research shows - DayDayNews Omicron BA.5 strain may shorten COVID immunity from 3 months to 28 days, research shows - DayDayNews
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