NPR

China's COVID vaccines: Do the jabs do the job?

As case counts surge in China, rumors circulate about the effectiveness and safety of the made-in-China vaccines in use there. Here's what we know about CoronaVac and Sinopharm.
An older adult receives a COVID-19 vaccine at a temporary vaccination site on Dec. 7 in Chongqing, China. Concerns about effectiveness and safety have led to uncertainty about the COVID vaccine, notably among older citizens, whose vaccination rate is relatively low.

China is in the midst of its first major COVID surge, and it's one of the world's largest.

China rolled back COVID restrictions in early December, and now scientists estimate that the country could be facing more than 10 million new cases each day. Over the next several months, several hundred thousand people could die, perhaps more, several teams predict.

There's also concern that widespread COVID in China could lead to new variants, but variants can emerge anywhere in the world right now as COVID continues to circulate.

The actual death toll – and the total impact of this surge – depends largely on one key factor: How well China's vaccines work.

The two main shots deployed in the country are CoronaVac and Sinopharm, both developed and manufactured in China.

About 90% of the

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