https://www.selleckchem.com/products/hs-173.html
Despite the increase in COVID-19 cases worldwide, the number of cases in Japan has been relatively low, and an explosive surge in the prevalence has not occurred. Since March 2020, the Ministry of Health, Labour and Welfare (MHLW) in Japan recommended original criteria for considering polymerase chain reaction (PCR) testing, although there was a lack of clear evidence for appropriate targets for COVID-19 testing. This study aimed to evaluate COVID-19 positive ratio and pre-screening criteria in Tokyo immediately after insurance-covered S
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