The state of the fight:Regeneron and Roche’s REGEN-COV became the first antibody drug to score U.S. FDA clearance for post-exposure prophylaxis of Covid-19.
Six-month data on Pfizer/BioNTech’s vaccine showed continuing high efficacy against severe disease.
Antibody levels induced by Sinovac’s vaccine dropped sharply six months after completion of a two-dose regimen, according to new data. Approved or authorized vaccines
New, six-month Pfizer/BioNTech vaccine…