WASHINGTON — By now we've all heard that the Pfizer COVID-19 vaccine has an efficacy rate of 95%, Moderna of 94%, and Johnson & Johnson about 66%; what you may not have known is that rate's technical ...
IN THIS issue of the Journal of Clinical Oncology, Chao et al 1 report the results of a study that examined the impact of using four different risk/benefit measures when communicating survival ...
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