COVID-19 can have an effect on anyone, and the illness could cause signs starting from mild to very severe. For some other illnesses attributable to respiratory viruses (similar to influenza), some people could also be extra prone to have severe illness than others because they’ve characteristics or medical conditions that improve their risk. These are generally called “threat factors.” Examples include older age or having sure underlying medical circumstances.
CDC is conducting disease surveillance and area investigations to higher perceive why some persons are more prone to develop severe COVID-19 sickness. This is likely one of the prime priorities in CDC’s technique to fight COVID-19. What we study from these efforts will present very important data to assist CDC scientists and different public health officials make selections to guard our most susceptible populations.
CDC carries out these actions in collaboration with state, native, and territorial well being departments; public well being, industrial, and scientific laboratories; vital statistics workplaces; health care providers; emergency departments; and educational and personal sector companions.
Why Risk Factors Matter
People with danger components may be extra more likely to want hospitalization or intensive care if they’ve COVID-19, or they may be more more likely to die of the an infection.
It is important to find out about risk elements for severe COVID-19 sickness as a result of it could allow you to:
* Take precautions as you go about your every day life and attend occasions.
* Better understand how a medical situation might affect your personal well being when you get sick with COVID-19.
* Anticipate medical treatment that you would possibly need when you get sick.
* Reduce your threat for extreme COVID-19 illness by managing any situations you could have which might be threat elements.
How We Learn about Risk Factors for Severe Disease
Because COVID-19 is a brand new illness, more work is required to higher understand the chance elements for extreme illness or complications. Potential danger factorsthat have been recognized to date include:
* Some medical conditions
* Use of certain medications
* Poverty and crowding
* Certain occupations
Additional analysis will assist us confirm if these are danger elements for extreme COVID-19 illness and determine if there are other elements that improve a person’s threat.
CDC is working to identify danger components for severe COVID-19 illness via quite a lot of investigations, some of that are described under. These investigations include adults and kids and study extreme illness leading to hospitalizations and intensive care unit (ICU) admissions. As we proceed to research risk factors for extreme illness, we’ll replace this webpage with new findings and new investigations.
Investigation of People with COVID-19 Who Have Symptoms (Symptomatic) vs. People with COVID-19 Who Do Not Have Symptoms (Asymptomatic or Pre-symptomatic)*
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Compare traits of people with COVID-19 who’ve symptoms with characteristics of individuals with COVID-19 who wouldn’t have signs.
How folks with COVID-19 who’ve signs are completely different from these with COVID-19 who do not have signs.
How folks with COVID-19 who really feel more sick (for example, sick enough to need to stay in mattress or to hunt medical care) are totally different from those with COVID-19 who really feel much less sick.
*Investigations used embrace: Ongoing family investigations
Investigation of People with COVID-19 Requiring ICU Care vs. Other Groups*
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Compare traits of people with COVID-19 who’re hospitalized in ICUs with characteristics of:
* People hospitalized with COVID-19 who don’t require ICU care, and
* People with COVID-19 who usually are not hospitalized, and
* The general U.S. population.
How individuals with COVID-19 who are sick enough to want ICU care are completely different from less sick folks with COVID-19 who’re hospitalized, individuals with COVID-19 who usually are not hospitalized, and the U.S. general population.
*Networks used include: Influenza Vaccine effectiveness in critically ill sufferers (IVY)