How Initial Vaccination Affects Long-term Antibody Response and its Link to COVID-19 Breakthrough Infection Risk
Pongrácz T; Marking U; Bladh O; Aguilera K; Berkell M; Havervall S; Greilert-Norin N; Nouta J; Gijze S; Wasynczuk A; Åberg M; Vidarsson G; Zhong Y; Falck D; Thålin C
Repeated mRNA COVID-19 vaccines changed antibody types in people, leading to a higher chance of getting the virus again in those who hadn't been infected before. These changes happened in both adults and kids and might need more study, but the vaccines are still considered safe and effective.