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COVID-19 vaccine effectiveness against hospitalizations in Paraguay, May 2021-April 2022: A test-negative design.

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第一作者： Sandra,Irala

第一单位： Directorate General for Health Surveillance, Ministry of Public Health and Social Welfare, Paraguay.

作者： Sandra,Irala ^[1] ; Sarah,Hamid ^[2] ; Elena,Penayo ^[3] ; Fabiana,Michel ^[4] ; Paula,Couto ^[5] ; Cynthia,Vazquez ^[6] ; María José,Ortega ^[6] ; Chavely,Domínguez ^[1] ; Silvia,Battaglia ^[7] ; Marta,Von Horoch ^[7] ; Romeo,Montoya ^[4] ; Guillermo,Sequera ^[1] ; Francisco,Nogareda ^[5]

作者单位： Directorate General for Health Surveillance, Ministry of Public Health and Social Welfare, Paraguay. ^[1] National Center for Immunization and Respiratory Diseases, US Centers for Disease Control and Prevention, Atlanta, GA, USA; Epidemic Intelligence Service, US Centers for Disease Control and Prevention, Atlanta, GA, USA. Electronic address: tsl4@cdc.gov. ^[2] Directorate General for Health Surveillance, Ministry of Public Health and Social Welfare, Paraguay. Electronic address: umedgvspy@gmail.com. ^[3] Pan American Health Organization, Asunción, Paraguay. ^[4] Pan American Health Organization, Washington, DC, USA. ^[5] Department of Virology, Central Laboratory for Public Health, Asunción, Paraguay. ^[6] National Program for Vaccine Preventable Diseases and Expanded Program on Immunization, Asunción, Paraguay. ^[7]

关键词 COVID-19 Paraguay Vaccination Vaccine effectiveness