DNA is providing new clues to why COVID-19 hits people differently
Age and general health can affect severity. So can your genes
![Four people with masks on, stand behind a roulette table](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/11/111022_ths_COVID-19-risk_feat.jpg?fit=870%2C580&ssl=1)
Getting COVID-19 can feel a little like playing roulette: It causes colds for some, but severe disease and death for others. Researchers are beginning to uncover genetic and other factors that determine an infected person’s fate.
Viktorcvetkovic/E+/Getty Images