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.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.China, Seychelles Islands, Bahrain, Mongolia, Vaccination and Immunization, Disease Rates, Coronavirus (2019-nCoV)Read More