After a short recovery period, COVID-19 reinfections could occur in convalescent patients, even those with measurable levels of neutralizing antibodies. Effective vaccinations and protective public health measures are recommended for the convalescent COVID-19 patients.
Keywords: COVID-19; SARS-CoV-2; neutralizing antibody; reinfection.
© The Author(s) 2021. Published by Oxford University Press on behalf of China Science Publishing & Media Ltd.