Author: Chau, C. V. V.; Nhan, L. N. T.; Nguyet, L. A.; Tu, N. T. K.; Hong, N. T. T.; Man, D. N. H.; Ty, D. T. B.; Nhu, L. N. T.; Yen, L. M.; Khanh, T. H.; Minh, N. N. Q.; Ny, N. T. H.; Anderson, D.; Wang, L.-F.; van Doorn, H. R.; Hung, N. T.; Thanh, T. T.; Thwaites, G.; Tan, L. V.
Title: Absence of SARS-CoV-2 antibodies in pre-pandemic plasma from children and adults in Vietnam Cord-id: qcq8ps1y Document date: 2021_7_15
ID: qcq8ps1y
Snippet: 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.
Document: 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.
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