CoronaVac and four other experimental vaccines developed in China are undergoing late-stage trials. - Reuters
SINGAPORE/BEIJING (Reuters): Sinovac Biotech's experimental Covid-19 vaccine CoronaVac triggered a quick immune response but the level of antibodies produced was lower than in people who had recovered from the disease, preliminary trial results showed on Wednesday (Nov 18).
While the early to mid-stage trials were not designed to assess the efficacy of CoronaVac, researchers said it could provide sufficient protection, based on their experience with other vaccines and data from preclinical studies with macaques.
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