Q&A on vaccine protective effects, booster shot

By Wang Xiaoyu and Zhang Zhihao | chinadaily.com.cn | Updated: 2021-08-04 15:20
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Doses of the Chinese Sinopharm vaccine against the coronavirus disease (COVID-19) are seen. [Photo/Agencies]

3. Can we mix and match different types of COVID-19 vaccines?

During China's current mass immunization campaign, different types of vaccines cannot replace each other.

If a recipient is administered an inactivated vaccine, later inoculations must use inactivated vaccine. If the recipient is given a CHO recombinant protein subunit vaccine, then the second and third shot must also be the subunit vaccine.

If a recipient cannot finish an inoculation with shots from one company, he or she must use the same type of vaccine to complete vaccination.

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