Coronavirus Immunity, Can Last for More br Than 6 Months, New Study Finds.br Researchers from the La Jolla Institute for Immunology, br UC San Diego and the Icahn School of Medicine br published the study online on Monday.br Blood samples from 185 participants, br ages 19 thru 81, who had recovered from br a mild case of COVID-19 were analyzed.br Observing several aspects br of the "immune memory" br of the patients, .br researchers detected br particular cells that indicate br COVID-19 immunity may br extend well beyond six months.br They also noted that immunity is the not same for everyone.br There is "a degree of variation from person to person.".br This variation might be due to some br individuals having had very low-level br asymptomatic infection, Lawrence Young, Oncology Professor, br via CNN .br Despite this, researchers say that "the significant take-home message is that the immune response to the virus is more long-lived than previously thought.