Hybrid immunity following SARS-CoV-2 infection and vaccination is associated with more sustained antibody levels, and lower reinfection risk.

CoronaVac - Sinovac, Bio Farma Indonesia

Comirnaty (tozinameran) - Pfizer, BioNTech

http://www.ncbi.nlm.nih.gov/pubmed/42215566

Andrew G Letizia; Hasmawati Yahaya; Huy Nguyen; Jefree Johari; Naim Che-Kamaruddin; Nurhafiza Zainal; Robert D Hontz; Sazaly AbuBakar

May 30, 2026