Most Adults Have T-Cell Immunity 6 Months After COVID-19: Study

Medical staff wearing protective clothing at St Thomas' hospital as the spread of COVID-19 continues, in London on March 31, 2020. Hannah McKay/Reuters

Most adults are likely to have T-cell immunity against COVID-19 six months after infection, according to a UK study.

Immunity is most commonly associated with antibodies, but they aren’t the body’s only line of defence. For some diseases, the body adopts other mechanisms of immunity, including T-cells.