The virus was the third-leading cause of death for the period between when the pandemic began in March 2020 and October 2021, according to an analysis of national death certificate data by researchers at the U.S. National Cancer Institute (NCI).
COVID-19 was responsible for one in eight deaths during the study period. Heart disease was first and cancer was second, adding a total of nearly 1.3 million deaths combined. Accidents and strokes rounded out the top five, the researchers reported in an NCI news release.
When breaking down the study period into 2020 (March through December) and 2021 (January through October), the investigators found that the coronavirus was the fourth- and fifth-leading cause of death in 2020 for people aged 45 to 54 and 35 to 44, respectively. In 2021, it became the first- and second-leading cause of death in these age groups.
In people aged 85 and older, the virus was the second-leading cause of death in 2020 and third in 2021, which may have been because of vaccination efforts among these older adults, the NCI team noted.
In every age group 15 years and older, COVID-19 was one of the top five causes of death during this period, according to the researchers, who were led by Meredith Shiels from the NCI’s Division of Cancer Epidemiology and Genetics.
Deaths from other causes — including heart disease, accidents, stroke, Alzheimer’s disease and diabetes — increased from 2019 to 2020, possibly because people were reluctant to seek medical care for fear of catching COVID-19, the investigators said, illustrating the virus’ additional impact on the health of Americans.
Future years may find other impacts from the virus, such as preventing many people from getting regular cancer screening during the earlier months of the pandemic, which may result in future increases in cancer deaths, the researchers added.
The findings were published July 5 in JAMA Internal Medicine.
The U.S. Centers for Disease Control and Prevention has more COVID-19 data.
SOURCE: U.S. National Cancer Institute, news release, July 5, 2022
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