Citing the Delta Variant, Pfizer Will Pursue Booster Shots and a New Vaccine
The Coronavirus Outbreak liveLatest Updates Maps and Cases Delta Variant F.A.Q.s C.D.C. School Guidance Advertisement Continue reading the main story Supported by Continue reading the main story Citing the Delta Variant, Pfizer Will Pursue Booster Shots and a New Vaccine Scientists were critical of the announcement, pointing to evidence that the current two-dose regimen is… Read More »