Long-Term Humoral Immune Response in Persons with Asymptomatic or Mild SARS-CoV-2 Infection, Vietnam
Huynh Kim, Nguyen Bao Trieu, Trinh Hoang Long, Hoàng Tiến Thanh, Nguyễn Đình Lượng, Le Xuan Huy, Lam Anh Nguyet, Dinh Nguyen Huy Man, Danielle E. Anderson, Tran Tan Thanh, Nguyen Van Vinh Chau, Guy Thwaites, Lin‐Fa Wang, Le Van Tan, Do Thai Hung
Abstract
Antibody response against nucleocapsid and spike proteins of SARS-CoV-2 in 11 persons with mild or asymptomatic infection rapidly increased after infection. At weeks 18-30 after diagnosis, all remained seropositive but spike protein-targeting antibody titers declined. These data may be useful for vaccine development.
Topics & Concepts
AsymptomaticImmunologyAntibodyImmune systemMedicineVirologyAntibody responseSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2)Antibody titerTiterBiologyCoronavirus disease 2019 (COVID-19)Internal medicineDiseaseInfectious disease (medical specialty)SARS-CoV-2 and COVID-19 ResearchCOVID-19 Clinical Research StudiesSARS-CoV-2 detection and testing