the test result was falsely negative for a COVID-19 infection due to the sensitivity of the test.the test was not completed correctly or within the appropriate timeframe for capturing infection.
Even if a sick outpatient or hospitalized patient is tested, an infection with COVID-19 may not be accurately captured if, for example:.Not everyone who is sick will seek medical care and/or be tested and patients may not be tested for COVID-19 while hospitalized or if they die.Case reports sent to CDC are often missing patient information, like age or hospitalization status, or are delayed.Some people infected with SARS-CoV-2 never show symptoms (asymptomatic infection), so their infection will likely go undetected.
COVID-19 infections, symptomatic illnesses, hospitalizations, and deaths might be underdetected and go unreported for a variety of reasons. Confirmed COVID-19 cases and deaths are nationally reported, but these cases and deaths likely represent only a fraction of the true number that have occurred in the population. The cumulative burden of COVID-19 is an estimate of the number of people who may have been infected, sick, hospitalized, or died as a result of a COVID-19 infection in the United States. These estimates will be updated periodically. These estimates and the methodologies used to calculate them are published in Clinical Infectious Diseases and The Lancet Regional Health – Americas.
Total covid deaths in us to date full#
To better reflect the full burden of COVID-19, CDC provides estimates of COVID-19 infections, symptomatic illnesses, hospitalizations, and deaths using statistical models to adjust for cases that national surveillance networks do not capture for a number of reasons.
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