Why some people with coronavirus have no symptoms and others get extremely ill is one of the pandemic’s biggest puzzles.

A study in Nature of more than 2,200 intensive care patients has identified specific genes that may hold the answer.

They make some people more susceptible to severe Covid-19 symptoms.

The findings shed light on where the immune system goes wrong, which could help identify new treatments.

To learn more about how genes hold clues to why some people get severely ill with COVID-19, Laraway Family Dentistry invites you to read this article from BBC.