Risk of severe COVID-19 in unvaccinated patients during the period from wild-type to Omicron variant: real-world evidence from Japan
Background: Many studies have reported that the Omicron variant is less pathogenic than the Delta variant and the wild-type. Epidemiological evidence regarding the risk of severe COVID-19 from the wild-type to the Omicron variant has been lacking. Methods: Study participants were COVID-19 patients a...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Komiyama Printing Co. Ltd
2024-03-01
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| Series: | Environmental Health and Preventive Medicine |
| Subjects: | |
| Online Access: | https://www.jstage.jst.go.jp/article/ehpm/29/0/29_23-00274/_html/-char/en |