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Just as the coronavirus pandemic strains states and the nation, it also has stressed the resources of neighborhoods and individuals.
And those with fewer resources to spare are clearly faring worse.
An analysis from the newspaper USA Today found that among the nation's poorest neighborhoods, where median household income is less than $35,000, COVID-19 infection was twice as common as in the nation's wealthiest ZIP codes, with income higher than $75,000. Infection rates were five times higher in ZIP codes with mostly nonwhite residents than in ZIP codes with a nonwhite population of less than 10%.
An analysis from Yale School of Medicine and the University of Pittsburgh also captures the dire COVID-19 picture among historically disadvantaged communities. African Americans are over 3.5 times as likely, and Latinos are nearly twice as likely, to die of the virus, compared with white people.
Black people account for 13% of the overall U.S. population but nearly a quarter of COVID-19 deaths where patients' race was reported, according to The COVID Tracking Project, a volunteer effort to track coronavirus cases and deaths across the U.S.
COVID-19's disproportionate impact on Black and Hispanic people and people from lower-income neighborhoods may trace in part to higher rates of underlying conditions such as diabetes and uncontrolled high blood pressure, experts say, which make an infection with the coronavirus riskier.
When COVID-19 strikes, it launches an assault not just on the lungs but also the heart, kidneys and brain, said Dr. Ivor Benjamin, director of the Cardiovascular Center at Medical College of Wisconsin. For someone already overtaxed by underlying disease, the body tries to manage all the illnesses but struggles.
"An already stressed system has very little reserve," Benjamin said. "If there are existing health challenges to the body, the body has maximized its ability to deal with the existing stress."
However, the story of what underlies inequities in COVID-19 outcomes goes deeper, said Benjamin, immediate past president of the American Heart Association. While underlying conditions can be influenced by both genetics and environmental factors such as diet, another layer of influence, called social determinants of health, is critical.
Social determinants of health are the economic and social conditions into which people are born and live. They include housing and food security, public safety, and access to affordable health care and transit. Social determinants impact the health of individuals and groups and are shaped by the distribution of money and other resources.
"COVID-19 is not a great equalizer but really brings to the forefront some of the many issues in health inequities that have plagued our country for decades," said Dr. Garima Sharma, assistant professor of medicine at Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease in Baltimore.
An AHA statement last month prompted by recent killings of African Americans notes that pre-existing social conditions, including lack of access to quality health care, jobs, education and housing, have laid the groundwork for the heavier toll COVID-19 has taken among disadvantaged communities.
"The barriers to care in our nation perpetuate the health inequities this pandemic is highlighting," the statement said.
Despite inequities in COVID-19 outcomes, the entire population is vulnerable to the novel coronavirus, Benjamin said. Without treatments or a vaccine, society's key defenses are public health measures, including good hygiene, physical distancing, wearing masks and testing so people can be isolated, quarantined and undergo contact tracing to see who else might have been exposed.
Stay-at-home orders are more challenging, though, he said. It "works very well for certain types of jobs and the affluent due to living conditions." But front-line workers may have fewer options, resulting in higher exposure, he said.
Sharma said adequate levels of testing as well as funding and research for new treatments are key to helping address COVID-19 inequities now.
"We need more support from the government and industry stakeholders."
She also urges approval of federal legislation to gather data about COVID-19 in hard-hit communities and to study the role of social determinants of health.
A perspective piece published in May in the AHA's journal Circulation on behalf of the Association of Black Cardiologists recommends more detailed COVID-19 patient data, readily available testing and diligent contact tracing. The authors also urged: expanded housing for quarantines, and suspension of evictions and foreclosures; free or discounted food delivery in low-income neighborhoods and for the elderly; aid for widespread computer and internet access to support telemedicine and distance learning; and paid sick and quarantine leave to help stem the virus's spread.
Moving forward, Benjamin calls for greater health education and science literacy efforts encouraging healthy lifestyles and prevention of chronic disease. Because COVID-19 poses an additional health stress for those whose bodies already are taxed by age or pre-existing conditions, "both management and prevention of chronic disease are what should be the priorities for all Americans, especially communities of color, now and in the future."
American Heart Association News covers heart and brain health. Not all views expressed in this story reflect the official position of the American Heart Association. Copyright is owned or held by the American Heart Association, Inc., and all rights are reserved. If you have questions or comments about this story, please email [email protected]
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