Intended for healthcare professionals


Covid-19: Biden buys 200 million doses of vaccines to tackle supply shortages across US

BMJ 2021; 372 doi: (Published 27 January 2021) Cite this as: BMJ 2021;372:n246

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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 2021 to April 2021

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Jan 2021115191582
Feb 20217151459
Mar 2021174727
Apr 202103078