COVID-19 vulnerability tied to past infections and vaccination
People’s immune responses to different variants of the COVID-19 virus, SARS-CoV-2, depend on their past exposures. This new research from the University of Cambridge shows that understanding these differences can help improve future vaccines. The study found that people react differently to mutations in new SARS-CoV-2 variants. The first version of the virus a person encounters affects how well their immune system can fight various parts of the virus and protect against other variants. … [read more]
