Chronic medical conditions

Please note: this information was last updated on 28 July 2020

You are considered at high risk of severe illness from COVID-19 at any age if you:

  • have had an organ transplant and are on immune suppressive therapy
  • have had a bone marrow transplant in the past 2 years
  • are on immune suppressive therapy for graft versus host disease
  • have had blood cancer, in the past 5 years, including leukaemia, lymphoma or myelodysplastic syndrome
  • are having chemotherapy or radio therapy

You are at moderate risk of severe illness from COVID-19 if are aged over 65 years old, or you are an Aboriginal or Torres Strait Islander aged over 50 years old and you have:

  • chronic kidney (renal) failure
  • heart disease (coronary heart disease or failure)
  • chronic lung disease, excluding mild or moderate asthma
  • had cancer in the past 12 months
  • diabetes
  • severe obesity with a body mass index of 40 kg/m squared or more
  • chronic liver disease
  • some neurological conditions such as stroke or dementia
  • some chronic inflammatory conditions and treatments
  • other primary or acquired immunodeficiency
  • poorly controlled hypertension (may increase risk)


Please note: this information was last updated on 28 July 2020

You are considered at high risk of severe illness from COVID-19 at any age if you:

  • have had an organ transplant and are on immune suppressive therapy
  • have had a bone marrow transplant in the past 2 years
  • are on immune suppressive therapy for graft versus host disease
  • have had blood cancer, in the past 5 years, including leukaemia, lymphoma or myelodysplastic syndrome
  • are having chemotherapy or radio therapy

You are at moderate risk of severe illness from COVID-19 if are aged over 65 years old, or you are an Aboriginal or Torres Strait Islander aged over 50 years old and you have:

  • chronic kidney (renal) failure
  • heart disease (coronary heart disease or failure)
  • chronic lung disease, excluding mild or moderate asthma
  • had cancer in the past 12 months
  • diabetes
  • severe obesity with a body mass index of 40 kg/m squared or more
  • chronic liver disease
  • some neurological conditions such as stroke or dementia
  • some chronic inflammatory conditions and treatments
  • other primary or acquired immunodeficiency
  • poorly controlled hypertension (may increase risk)