This is the best tl;dr I could make, original reduced by 81%. (I'm a bot)

> Hospitals in China appear to be filling up amid concerns about a fresh Covid-19 wave hitting the country, the World Health Organization says.

> In recent days hospitals in Beijing and other cities have been filling up as the latest Covid surge hits China.

> China has developed and produced its own vaccines, which have been shown to be less effective at protecting people against serious Covid illness and death than the mRNA vaccines used in much of the rest of the world.

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