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Feature Coronavirus

Covid-19: Do many people have pre-existing immunity?

BMJ 2020; 370 doi: https://doi.org/10.1136/bmj.m3563 (Published 17 September 2020) Cite this as: BMJ 2020;370:m3563

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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: September 2020 to February 2024

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AbstractFullPdf
Sep 20203552499549136
Oct 20201321035544891
Nov 202055493007245
Dec 202044683437934
Jan 202124602798140
Feb 202119309673979
Mar 20218316094197
Apr 202125305894974
May 202117318184050
Jun 202116231502069
Jul 202114372172780
Aug 202121426133355
Sep 202122292334245
Oct 202116114712893
Nov 202114104542439
Dec 20211793793285
Jan 202220128185244
Feb 2022104710550
Mar 202245605375
Apr 202253725270
May 202232834308
Jun 202272340255
Jul 202232712215
Aug 202222059225
Sep 202201704196
Oct 202221605160
Nov 202241670135
Dec 202281371150
Jan 20230141052
Feb 20233114649
Mar 20230123235
Apr 20231107847
May 2023197445
Jun 2023076541
Jul 2023186426
Aug 2023080634
Sep 2023378921
Oct 20230100660
Nov 2023175835
Dec 2023678728
Jan 2024093994
Feb 2024567374
Total88887631084336