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Have cancer You're more likely to become seriously ill with COVID-19. Treatment for many types of cancer can weaken your body's ability to fight disease. Currently, based on the available research, having a history of cancer may increase your risk.
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No matter what stage of chronic kidney disease you are in, you are more likely to become seriously ill with COVID-19.
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Having chronic liver disease increases your chances of becoming seriously ill with COVID-19. Chronic liver disease includes alcohol-related liver disease, non-alcoholic fatty liver disease, autoimmune hepatitis, and cirrhosis (or scarring of the liver).
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People with chronic lung diseases are more likely to become seriously ill with COVID-19. Chronic lung diseases include:
- Asthma (if moderate to severe)
- Bronchiectasis (thickening of the airways in the lungs)
- Bronchopulmonary dysplasia (a chronic lung disease occurring in newborns)
- Chronic obstructive pulmonary disease (COPD), including emphysema and chronic bronchitis
- Have damage or scarring of lung tissue, known as interstitial lung disease (including idiopathic pulmonary fibrosis)
- Pulmonary embolism (blood clot in the lungs)
- Pulmonary hypertension (high blood pressure in the lungs)
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If you have cystic fibrosis, you are more likely to become seriously ill with COVID-19, regardless of whether you have received a lung or other solid organ transplant (such as kidney, liver, intestine, heart or pancreas).
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Having a neurological condition, such as dementia, can make you more likely to become seriously ill with COVID-19.
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If you have type 1 or type 2 diabetes, you are more likely to become seriously ill with COVID-19.
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People with certain disabilities are more likely to become seriously ill with COVID-19 due to underlying conditions, living in congregate settings, or systemic health and social inequalities.
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If you have heart conditions such as heart failure, coronary artery disease, cardiomyopathy, or high blood pressure, you are more likely to become seriously ill with COVID-19.
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Being infected with HIV (human immunodeficiency virus) increases your chances of becoming seriously ill with COVID-19.
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Some people have immunocompromised or weakened immune systems due to illness or treatment. This includes people who have cancer and are undergoing chemotherapy, or people who have had solid organ transplants, such as kidney or heart transplants, and are taking medications to maintain the transplant. Others must take certain types of medications, such as corticosteroids, for long periods of time that weaken their immune systems. One example is primary immunodeficiency. Being immunocompromised can make you more likely to become seriously ill with COVID-19 or to have a longer illness.
People who are immunocompromised or take medications that weaken the immune system may be at increased risk, even if Keep your vaccinations up to date. Talk to your health care provider about what extra precautions you may need if a respiratory virus is causing a lot of illness in your community. Also, people who are moderately or severely immunocompromised may receive an extra dose of the updated COVID-19 vaccine. Because the immune response after COVID-19 vaccination may be different for people who are moderately or severely immunocompromised, specific guidance has been developed.
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Having a mood disorder such as depression or a schizophrenia spectrum disorder can increase your chances of becoming seriously ill with COVID-19.
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Being overweight (BMI (body mass index) 25 kg/m or more)2 More than 30kg/m2), obesity (BMI 30 kg/m2 More than 40kg/m2), or severe obesity (BMI > 40 kg/m2 People with a BMI of 18.5 or higher are more likely to become severely ill with COVID-19. The risk of becoming severely ill with COVID-19 increases exponentially with increasing BMI.
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People who engage in little or no physical activity are more likely to become seriously ill with COVID-19 than those who are physically active. Physical activity is important for your health. Learn more about physical activity and health, physical activity recommendations, ways to become more active, and how to create active communities:
Pregnant or recently pregnant people (at least 42 days after the end of pregnancy) are more likely to become seriously ill with COVID-19 than non-pregnant people.
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Having a hemoglobin blood disorder, such as sickle cell disease or thalassemia (an inherited red blood cell disorder), can make you more likely to become seriously ill with COVID-19.
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Current or former smokers are more likely to become seriously ill with COVID-19. If you currently smoke, quit. If you used to smoke, don't smoke again. If you've never smoked, don't start.
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Having had a solid organ transplant, including a bone marrow transplant, or a blood stem cell transplant, increases your chances of becoming seriously ill with COVID-19.
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Having cerebrovascular disease, such as stroke, that affects blood flow to the brain increases the chance of severe illness from COVID-19.
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Having a substance use disorder (such as alcohol, opioid, or cocaine use disorder) can increase your chances of becoming seriously ill with COVID-19.
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Having tuberculosis (TB) increases your chances of severe illness from COVID-19.
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