22 How many years? --Could Covid-19 immunity last for 17 YEARS? Researchers find SARS patients still have crucial T cells from when they were infected in 2003.-- Article from 2020 (archive.li) posted 1 year ago by NicoleDuhtrole 1 year ago by NicoleDuhtrole +22 / -0 6 comments share 6 comments share save hide report block hide replies
Longer than that my friend. Dr. Marty Makary from John Hopkins said survivors of the 1919 pandemic tested in the 90s still had active T cell and B cell immunity 70 years later