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Home » Next-Gen COVID-19 Vaccine Trials Need an Active Comparator or Some Design Ingenuity
Next-Gen COVID-19 Vaccine Trials Need an Active Comparator or Some Design Ingenuity
Approved vaccines and the diminishing numbers of unexposed individuals are making placebo-controlled trials for COVID-19 vaccines a thing of the past, so researchers will have to rely on active comparators to develop second-generation shots.