Philippine Daily Inquirer-Dec 29

“A 50-percent efficacy rate for the China-made Sinovac vaccine is “acceptable,’’ according to an official of the Department of Science and Technology (DOST) last week. “That is the minimum requirement set by the World Health Organization for a vaccine to be used by a country,” said Jaime Montoya, executive director of the DOST’s Philippine Council for Health Research and Development.

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