Not just antibodies: B cells and T cells mediate immunity to COVID-19

the results indicated "one of the highest scores observed in my region" . 32 weeks post infection i am still providing antibodies for use in local infusion centres, and fortuitously i am a universal dOnor blood type. clearly in my case SARS-1 infection and recovery has provided protection 17 years later. I have since had long term repeated proximity contact with sars-2 positive individuals numerous times, without testing positive for the virus, and continue to provide serum. bear in mind i maintain self isolation from people not testing positive, and in one case have provided a direct transfusion to a fellow professional in a non clinical setting, and they kicked the virus to pieces in the space of a week. [redacted] ------------------------------------------------------- https://doi.org/10.1038/s41577-020-00436-4 "Studies of patients who became infected with SARS-CoV in 2003 suggested that the infection induced durable T cell responses lasting for 6 years but no long-term memory B cells [9]. Importantly, these T cells were shown to cross-react with the SARS-CoV-2 virus 17 years later [10], but the extent to which they can provide protection is not known. Most importantly, the early global sharing of scientific data is vitally important to understand the complexities of the B cell and T cell responses in COVID-19 and to elucidate which immune responses provide protection from both the initial infection and reinfection."