Increased Secondary Attack Rates among the Household Contacts of Patients with the Omicron Variant of the Coronavirus Disease 2019 in Japan
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DOI: 10.3390/ijerph19138068
Abstract: This study investigated the household secondary attack rate (HSAR) of patients with coronavirus disease (COVID-19) during the omicron variant-dominant period. The HSAR of COVID-19 cases during the omicron variant-dominant period (4–20 January 2022) was calculated… read more here.
Keywords: omicron variant; household contacts; variant dominant; secondary attack ... See more keywords