Exclusive-Pfizer, BioNTech halt US COVID vaccine study after recruitment struggles

Vaccine makers Pfizer and BioNTech have halted recruitment for a large U. ‌trial of their updated COVID-19 vaccine in healthy ‌adults aged 50 to 64, saying enrollment in the trials had been ​too low to generate the needed data.
Daily Sabah

Pfizer, BioNTech halt US trial of COVID-19 vaccine over low enrollment

Pfizer and BioNTech have halted a major U.S. clinical trial of their updated COVID-19 vaccine in adults aged 50 to 64, citing insufficient
Scientific American

New ‘Cicada’ COVID variant is spreading in the U.S.—here’s what to know

Infections of the BA.3.2 variant of the COVID-causing coronavirus are still at very low levels, but experts are concerned it may be resistant to immunity from vaccines or prior infection