An Australian study is investigating why three siblings did not get seriously ill with Covid-19 after their parents contracted the illness. The three children - who live in Melbourne - were found to have developed antibodies similar to their parents, meaning they had been infected but their bodies mounted an immune response that was effective in stopping the virus from replicating. Dr Melanie Neeland from the Murdoch Children's Research Institute joins the show to discuss.
22 Nov 2020