Vaccine makers Pfizer and BioNTech halted a large U.S. 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. https://www.japantimes.co.jp/business/2026/04/02/companies/pfizer-biontech-covid-vaccine/?utm_medium=Social&utm_source=mastodon #business #companies #pfizer #biontech #uscovid19 #vaccines
Pfizer and BioNTech halt U.S. COVID-19 vaccine study after recruitment struggles

The move comes as COVID vaccine ‌makers grapple ‌with pushback from the U.S. administration and weak U.S. demand for the shots.

The Japan Times