A study in Italy compared two groups of people. Both groups have recovered from COVID-19. One group (n=21) was vaccinated with two doses of the Pfizer-Biontech COVID vaccine, and the other group (n=19) did not. Backgrounder: The SARS-CoV-2 virus has several proteins, including the spike and nucleocapsid protein (NCP). After a COVID-19 infection, antibodies (IgG)…
Convalescent antibodies from COVID-19 last up to 18 months
Posted on