Stadium Road, P.O. Box 3500
Nairobi, Sindh 74800
Kenya
Aga Khan University
SARS-CoV-2 variants, humoral immunity, mixed-vaccine study, neutralizing activity, delta, JN.1, psuedotyped-viral particles, high infectious disease burden population
human coronaviruses, NL63, OC43, SARS-CoV-2, COVID-19 vaccinations, preexisting immunity