Number of people undergoing COVID-19 tests Japan 2022, by type of patients

Cumulative number of people undergoing polymerase chain reaction (PCR) tests for coronavirus (COVID-19) in Japan as of March 18, 2022, by type of patients

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Release date

March 2022



Survey time period

March 18, 2022

Supplementary notes

*The number was corrected on March 19 because Chiba Prefecture was counting the number of tests conducted instead of number of people undergoing the tests.
**The source changed the information they provide starting from May 8. The figures are now based on the data published by municipalities instead of the data reported directly to the source. The actual number of the conducted tests might be smaller due to the method of adding up.
***Tokyo and Hyogo Prefecture modified the way of calculation and reported an additional number of tests conducted, hence the number increased significantly.
****There was an overstated number of 1,838 cases of airport quarantine hence the number has declined.

Figures prior to March 18, 2022, come from previous reporting.

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