Populations at risk

People who are older have a higher risk of severe illness from COVID-19, and the risk increases with age. People who have existing chronic medical conditions also may have a higher risk of serious illness. 

Medical conditions known to increase the risk of severe illness include:

  • Chronic obstructive pulmonary disease (COPD)

  • Serious heart diseases

  • Cancer

  • Type 2 diabetes

  • Obesity or severe obesity

  • Smoking

  • Chronic kidney disease

  • Sickle cell disease

  • Weakened immune system from solid organ transplants

  • Pregnancy

Other conditions may increase the risk of serious illness, such as: Asthma; chronic lung diseases such as cystic fibrosis or pulmonary fibrosis; weakened immune systems from bone marrow transplant; HIV or some medications; liver disease; brain and nervous system conditions; Type 1 diabetes and high blood pressure.

Page Last Updated: 30/01/2021