Official tallies of deaths due to Covid-19 in the United States underestimated the full increase in deaths associated with the pandemic in many states, according to a new study.
The study, published in the journal JAMA Internal Medicine on Wednesday, found that the number of deaths due to any cause increased by approximately 122,000 from March 1 to May 30, which was 28 per cent higher than the reported number of Covid-19 deaths, Xinhua news agency reported.
To estimate the burden of all deaths related to Covid-19 in the United States from March to May, researchers evaluated the numbers of US deaths from any cause and deaths from pneumonia, influenza, and Covid-19.
Evaluating unexplained increases in deaths due to all causes or attributed to nonspecific outcomes, such as pneumonia and influenza, can provide a more complete picture of the burden of Covid-19, according to the study.
The number of excess all-cause deaths was 28 per cent higher than the official tallies of Covid-19-reported deaths during that period, the study found.
Excess deaths provided an estimate of the full Covid-19 burden and indicated that official tallies likely undercounted deaths due to the virus. The mortality burden and the completeness of the tallies varied markedly between states, according to the study.
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