Exposure to common colds might give some people a head start in fighting COVID-19
- Written by Larisa Labzin, Research Fellow, Institute for Molecular Bioscience, The University of Queensland
ShutterstockCould we have some immunity to SARS-CoV-2, the virus that causes COVID-19, without ever having been exposed to it?
Some new studies found people who were never symptomatic, exposed to, or tested positive for COVID-19 have immune cells that can recognise and possibly kill virus-infected cells.
How is this possible? And what does it mean...





