They Relied on Chinese Vaccines. Now They’re Battling Outbreaks.
More than 90 countries are using Covid shots from China. Experts say recent infections in those places should serve as a cautionary tale in the global effort to fight the disease.
![They Relied on Chinese Vaccines. Now They’re Battling Outbreaks.](https://static01.nyt.com/images/2021/06/21/business/00china-vaccine-1/00china-vaccine-1-moth.jpg?#)
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