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Absence of SARS-CoV-2 antibodies in pre-pandemic plasma from children and adults in Vietnam
Chau Van Vinh Chau; Le Nguyen Thanh Nhan; Lam Anh Nguyet; Nguyen Thi Kha Tu; Nguyen Thi Thu Hong; Dinh Nguyen Huy Man; Dinh Thi Bich Ty; Le Nguyen Truc Nhu; Lam Minh Yen; Truong Huu Khanh; Ngo Ngoc Quang Minh; Nguyen Thi Han Ny; Danielle Anderson; Lin-Fa Wang; H. Rogier van Doorn; Nguyen Thanh Hung; Tran Tan Thanh; Guy Thwaites; Le Van Tan.
Afiliação
  • Chau Van Vinh Chau; Hospital for Tropical Diseases
  • Le Nguyen Thanh Nhan; CH1, HCMC, Vietnam
  • Lam Anh Nguyet; OUCRU
  • Nguyen Thi Kha Tu; Dong Thap Provincial Center for Disease Control, Dong Thap Province, Vietnam
  • Nguyen Thi Thu Hong; OUCRU
  • Dinh Nguyen Huy Man; HTD
  • Dinh Thi Bich Ty; HTD
  • Le Nguyen Truc Nhu; OUCRU
  • Lam Minh Yen; OUCRU
  • Truong Huu Khanh; CH1, HCMC, VN
  • Ngo Ngoc Quang Minh; CH1, HCMC, Vietnam
  • Nguyen Thi Han Ny; OUCRU
  • Danielle Anderson; Duke-NUS Medical School, Singapore
  • Lin-Fa Wang; Duke-NUS Medical School, Singapore
  • H. Rogier van Doorn; OUCRU
  • Nguyen Thanh Hung; CH1, HCMC, VN
  • Tran Tan Thanh; OUCRU
  • Guy Thwaites; OUCRU
  • Le Van Tan; OUCRU
Preprint em Inglês | medRxiv | ID: ppmedrxiv-21260379
ABSTRACT
We tested pre-pandemic (2015-2019) plasma samples from 148 Vietnamese children, and 100 Vietnamese adults at high risk of zoonotic infections, for antibodies against SARS-CoV-2 nucleocapsid and spike proteins. None was positive, indicating no prior serological cross-reactivity with SARS-CoV-2 that might explain the low numbers of COVID-19 in Vietnam.
Licença
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Texto completo: Disponível Coleções: Preprints Base de dados: medRxiv Tipo de estudo: Estudo prognóstico / Rct Idioma: Inglês Ano de publicação: 2021 Tipo de documento: Preprint
Texto completo: Disponível Coleções: Preprints Base de dados: medRxiv Tipo de estudo: Estudo prognóstico / Rct Idioma: Inglês Ano de publicação: 2021 Tipo de documento: Preprint
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