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Published 13:41 IST, January 17th 2021

China's SinoVac efficacy remains inconsistent, COVID-19 cases surge in the country

Public reports on the effectiveness of China's SinoVac have been inconsistent. Chinese firm says it is caused by the variations in methodology, as per DD News.

Reported by: Swagata Banerjee
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13:41 IST, January 17th 2021