China's bid to ramp up Covid vaccinations hindered by supply shortages

China has also offered vaccines to the International Olympics Committee for the upcoming Tokyo Games, while carrying out discussions with European countries looking for supply

China’s ambitious effort to vaccinate 560 million people -- 40% of its population -- by the end of June is running into a supply shortage, forcing health authorities to extend the intervals between two doses, and leaving some people unable to book their second shots.

The supply bottleneck comes as China’s vaccination roll out accelerates to nearly 5 million doses a day, the fastest in the world, though the proportion of its vast population covered still lags the U.S., Israel and other leading inoculating nations.

While China gets its vaccine supply from domestic manufacturers, thus giving it more control than most countries