By LAURAN NEERGAARD AP Medical Writer AstraZeneca insists that its COVID-19 vaccine is strongly effective even after counting additional illnesses in its U.S. study, the latest in an extraordinary public dispute with American officials. In a late-night news release Wednesday, the drugmaker said it had analyzed more data from that study and concluded the vaccine is 76% effective in preventing symptomatic COVID-19, instead of the 79% it had reported earlier in the week. Just a day earlier, an independent panel that oversees the study had accused AstraZeneca of cherry-picking data to tout the protection offered by its vaccine. The panel, […]
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