"In a recent study, almost half of donor blood samples between 2015 and 2018 showed reactivity to SARS-CoV-2, well before the emergence of this pathogen in the human population". https://t.co/ACgyRNkdJM
442 followers
442 followers
"In another study, memory T cells against SARS-CoV-1 were detected even 17 years after the previous pandemic, hinting at the long-term immune response against the pathogens" https://t.co/ACgyRNkdJM
550 followers
89 followers
@BobbyLeeInTN @ajplus Immune memory lasts longer with a vaccine. https://t.co/dkiJjMQJKP