Do you know someone who has never been infected with coronavirus since the beginning of the pandemic? How did some health professionals avoid falling ill despite daily contact with Covid-19 patients? A study by Sweden's University of Gothenburg may provide some clues.

Hidden immunity: Study gives clues on how some escape Covid-19 infection

covid-immunity-delta

Covid Immunity Delta, News on Covid Immunity Delta, stories on Covid Immunity Delta, articles on Covid Immunity Delta, Covid Immunity Delta stories at Wion, Covid Immunity Delta news, Covid Immunity Delta latest news

covid immunity-delta

Hidden immunity: Study gives clues on how some escape Covid-19 infection