- China considering mixing COVID-19 vaccines to boost protection rate Sydney Morning Herald
- Chinese health official says effectiveness of local coronavirus vaccines is low ABC News
- Exclusive: Chinese CDC director refutes interpretation of 'low protection rate of Chinese vaccines,' says it confuses scientific vision he proposes to improve efficacy Global Times
- Chinese vaccines’ effectiveness low, official admits Al Jazeera English
- China considering mixing different COVID-19 vaccines to improve low efficacy of its Vaccines | WION WION
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