Absence of SARS-CoV-2 antibodies in pre-pandemic plasma from children and adults in Vietnam
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. The data thus demonstrated no evidence of prior serological cross-reacti...
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| Fformat: | Journal article |
| Iaith: | English |
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International Society for Infectious Diseases
2021
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