Intended for healthcare professionals


Covid-19: CoronaVac immunity is strongest after boosting with a different vaccine

BMJ 2022; 376 doi: (Published 25 January 2022) Cite this as: BMJ 2022;376:o210

Article usage

Article metrics provide readers and authors with an indication of how often a specific article has been accessed month by month. It counts three formats - abstract/extract, full text and pdf. The page is updated each day.

Usage statistics: January 2022 to June 2022

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Jan 2022483824242
Feb 20228189192
Mar 2022081493
Apr 2022072864
May 2022032532
Jun 2022123318