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Reuters
Reuters
Business

Brazil health institute calls early reports on CoronaVac efficacy "mere speculation"

FILE PHOTO: A man works in the packaging facility of Chinese vaccine maker Sinovac Biotech, developing an experimental coronavirus disease (COVID-19) vaccine, during a government-organized media tour in Beijing, China, September 24, 2020. REUTERS/Thomas Peter

The Brazilian public health institute handling trials for a COVID-19 vaccine developed by China's Sinovac Biotech said on Monday that any reports on the efficacy of the shot before a Dec. 23 announcement were "mere speculation."

The statement from the Butantan Institute, run by the Sao Paulo state government, followed a report in the Wall Street Journal that the efficacy rate for the so-called CoronaVac was higher than 50%, citing unnamed sources.

(Reporting by Pedro Fonseca; Writing by Marcelo Rochabrun; Editing by Brad Haynes)

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