China Vaccine Trial Halted in Brazil After Serious Adverse Event
A nurse administers a flu shot vaccine to a patient at Gospel Ilsan Hospital in Goyang, South Korea. (Photographer: SeongJoon Cho/Bloomberg)

China Vaccine Trial Halted in Brazil After Serious Adverse Event

(Bloomberg) -- The decision to suspend Sinovac Biotech Ltd.’s coronavirus vaccine trials in Brazil’s largest state has baffled local researchers and prompted speculation that the move could be poli...
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