Omicron threat takes the shine off Covid vaccine anniversary

[ad_1] Keenan became the first person in the world to receive Pfizer Inc.’s Covid vaccine outside a clinical trial. It was a turning point in the pandemic, raising hopes that there was a path out of the crisis, along with questions about how well the rapidly-created shots would perform. Now, after 8 billion doses, the …

Omicron threat takes the shine off Covid vaccine anniversary Read More »