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

April 1, 2026
Daily Sabah
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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 participant enrollment to produce reliabl...

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

Coverage and analysis from Turkey. All insights are generated by our AI narrative analysis engine.

Turkey
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