alleged cases of reinfection with SARS-CoV-2, the coronavirus that causes COVID-19, have raised concerns that the human immune system may only provide short-term protection against the virus.In addition, scarce research has suggested that the number of antibodies in a person’s bloodstream that is capable of disabling the virus declines sharply after an initial infection.However, scientists at the University of Arizona (UArizona) College of Medicine in Tucson have now found evidence of long lasting immunity in people who have had COVID-19.Stay informed with live updates on the current COVID-19 outbreak and visit our coronavirus hub for more advice on prevention and treatment.They tested for the presence of antibodies to the virus in nearly.