SARS-CoV-2 Antibody Response against Mild-to-Moderate Breakthrough COVID-19 in Home Isolation Setting in Thailand.
Pichanun MongkolsucharitkulApinya SurawitSureeporn PumeiamNitat SookrungAnchalee TungtrongchitrPochamana PhisalprapaNaruemit SayabovornWeerachai SrivanichakornChaiwat WashirasaksiriChonticha AuesomwangTullaya SitasuwanThanet ChaisathapholRungsima TinmaneeMethee ChayakulkeereePakpoom PhoompoungWatip TangjittipokinSansnee SenawongGornmigar SanpawitayakulSaipin MuangmanKorapat Mayurasakornnull On Behalf Of The Siriraj Population Health And Nutrition Research Sphere GroupPublished in: Vaccines (2022)
After a full vaccination course, breakthrough mild-to-moderate Delta and Omicron infections have limited immunogenicity. Prior infections exert reduced protection against later reinfection or infection from novel variants. However, this protection may be sufficient to prevent hospitalization and death, particularly in countries where vaccine supplies are limited.