T-cell study adds to debate over duration of COVID-19 immunity

LONDON, Nov 2 (Reuters) – A small UK study has found that “cellular immunity” to the pandemic SARS-CoV-2 virus is present after six months in people who had mild or asymptomatic COVID-19 infections – suggesting they might have some level of protection for at least that time. Scientists presenting the findings, from 100 non-hospitalised COVID-19 … Read more