Seroprevalence of Specific SARS-CoV-2 Antibodies during Omicron BA.5 Wave,Portugal, April–June 2022 |
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| Authors: | Irina Kislaya,Aryse Melo,Marta Barreto,Camila Henriques,Carlos Aniceto,Carla Manita,Sara Ramalhete,Joã o Almeida Santos,Sofia Soeiro,Ana Paula Rodrigues,ISN4COVID-19 Group1 |
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| Affiliation: | Instituto Nacional de Saúde Doutor Ricardo Jorge, Lisbon, Portugal |
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| Abstract: | After the rapid spread of SARS-CoV-2 BA.5 Omicron lineage in Portugal, we developed a seroepidemiologic survey based on a sample of 3,825 residents. Results indicated that from April 27 through June 8, 2022, the estimated seroprevalence of SARS-CoV-2 nucleocapsid or spike IgG was 95.8%, which indicates a high level of protection. |
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| Keywords: | COVID-19 2019 novel coronavirus disease coronavirus disease severe acute respiratory syndrome coronavirus 2 SARS-CoV-2 viruses respiratory infections zoonoses seroepidemiological survey IgG seroprevalence Portugal Omicron BA.5 |
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