Pfizer says it is developing a Covid booster shot to target the highly transmissible delta variant
Clinical studies could begin as early as August, subject to regulatory approvals, Pfizer says.
By David Hilbern|2021-07-09T05:25:35-05:00July 9, 2021|Bankruptcy|Comments Off on Pfizer says it is developing a Covid booster shot to target the highly transmissible delta variant