Rebecca Lai, Alex Lemonides, Eleanor Lutz, Allison McCann, Richard A. The Times uses an adjustment method to vary the number of days included in an average to remove these irregularities.īy Jordan Allen, Sarah Almukhtar, Aliza Aufrichtig, Anne Barnard, Matthew Bloch, Penn Bullock, Sarah Cahalan, Weiyi Cai, Julia Calderone, Keith Collins, Matthew Conlen, Lindsey Cook, Gabriel Gianordoli, Amy Harmon, Rich Harris, Adeel Hassan, Jon Huang, Danya Issawi, Danielle Ivory, K.K. For agencies that do not report data every day, variation in the schedule on which cases or deaths are reported, such as around holidays, can also cause an irregular pattern in averages. The Times is excluding these anomalies from seven-day averages when possible. Governments often revise data or report a single-day large increase in cases or deaths from unspecified days without historical revisions, which can cause an irregular pattern in the daily reported figures. Probable cases and deaths count individuals who meet criteria for other types of testing, symptoms and exposure, as developed by national and local governments. The tallies on this page include probable and confirmed cases and deaths.Ĭonfirmed cases and deaths, which are widely considered to be an undercount of the true toll, are counts of individuals whose coronavirus infections were confirmed by a molecular laboratory test. 24, 2021, because the state stopped reporting the data during that period. Data on new cases by county for Iowa are missing from Feb.Iowa started including cases identified through antigen testing. Iowa changed its methodology for reporting coronavirus deaths to use death certificates, resulting in a one-time increase of deaths previously unreported. Iowa moved to a weekly update schedule and made case adjustments, resulting in increases in some counties and decreases in others. Iowa added more than 5,000 previously unreported cases. The Times began including death certificate data reconciled by the C.D.C., resulting in a one-day increase in total deaths. More about reporting anomalies or changes The Times has identified reporting anomalies or methodology changes in the data.
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