claim: cellular immunity to sars-cov-2 found at six days in non-hospitalised individuals
evidence_1: \"to our knowledge, our study is the first in the world to show robust cellular immunity remains at six months after infection in individuals who experienced either mild/moderate or asymptomatic covid-19.", "interestingly, we found that cellular immunity is stronger at this time point in those people who had symptomatic infection compared with asymptomatic cases.")