A study conducted by researchers from several Italian and Spanish universities indicates that antibodies induced by Covid-19 vaccines decrease faster in people who smoke. The study was conducted on 162 health professionals who, on a voluntary basis, underwent monthly serological tests to assess the trend of the antibody level in the six months after receiving the Pfizer mRNA vaccine. This analysis focused on subjects with a mean age of 43 years, 28 of which were previously infected with Covid-19. The level of vaccine-induced antibodies and its trend […]