At least two thirds of Australians, including children and adolescents, have had COVID-19. This is more than double the number of cases reported based on nose and throat swab testing for the virus. Vaccination reduces the risk of developing severe disease if infected with the virus kirby.unsw.edu.au Submitted by Wagamaga t3_z1qdzp on November 22, 2022 at 10:40 AM in science 13 comments 130