Secondary attack rate of COVID-19 among contacts and risk factors, Tamil Nadu, March–May 2020: a retrospective cohort study
Objective To describe the characteristics of contacts of patients with COVID-19 case in terms of time, place and person, to calculate the secondary attack rate (SAR) and factors associated with COVID-19 infection among contacts.Design A retrospective cohort studySetting and participants Contacts of...
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| Główni autorzy: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Artigo |
| Język: | Inglês |
| Wydane: |
BMJ Publishing Group
2021-11-01
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| Seria: | BMJ Open |
| Dostęp online: | https://bmjopen.bmj.com/content/11/11/e051491.full |
| Etykiety: |
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