This Week In Wellness Doctors and scientists at Melbourne’s Royal Children’s hospital have studied three children who tested negative and did not get seriously ill with Covid-19 despite spending a week and a half with their Covid-19 positive parents and concluded that they had in fact contracted the virus and that it was their own immune system that had been “highly effective” in stopping the virus from replicating.

https://www.abc.net.au/news/2020-11-18/murdoch-research-children-and-covid-19-immunity/12890670

https://www.nature.com/articles/s41467-020-19545-8