Pfizer begins mid-stage trial for new vaccine…
Pfizer Inc and its German partner BioNTech SE said on Wednesday they had started a mid-stage study of a…
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BA.2 Omicron subvariant
NYC Covid-19 Hospitalizations, Deaths Rising,…
The number of new reported Covid-19 cases has been trending upwards in New York City since early ...…
New BA.2.12.1 Omicron Subvariant Is Even More…
There are now new subvariants of the BA.2 Omicron subvariant of the Covid-19 coronavirus BA.2.12 and…