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 cases that have been identified by public health officials as probable coronavirus patients through antigen testing.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. 27 after reporting no data on Thanksgiving.įlorida added a backlog of 3,870 cases from one laboratory dating back several months.įlorida began reporting positive cases based on antigen tests, resulting in a one-day increase of about 700 cases. 25 and 26 after reporting no data on Christmas.įlorida reported data for Nov. The 7-day average is artificially high because of this atypical schedule.įlorida changed its data format to a weekly report and stopped including nonresident cases, resulting in a one-day decrease in most counties.įlorida reported data for two days after reporting no data on New Year's Day.įlorida reported data for Dec. The daily count includes Florida's weekend update, which is typically announced on Tuesdays.
The daily count could be artificially low because many jurisdictions did not announce new data on Labor Day. The Times began including death certificate data reconciled by the C.D.C., resulting in a one-day increase in total deaths.įlorida did not report new county cases or deaths for the week of Thanksgiving. More about reporting anomalies or changesįlorida did not report new data for several weeks over the holidays. The Times has identified reporting anomalies or methodology changes in the data. Department of Health and Human Services and are subject to historical revisions. Hospitalizations and test positivity are reported based on dates assigned by the U.S. viral test specimens tested by laboratories and state health departments and reported to the federal government. Hospitalization numbers early in the pandemic are undercounts due to incomplete reporting by hospitals to the federal government. Dips and spikes could be due to inconsistent reporting by hospitals. Figures for Covid patients in hospitals and I.C.U.s are the most recent number of patients with Covid-19 who are hospitalized or in an intensive care unit on that day. Cases and deaths data are assigned to dates based on when figures are publicly reported. The seven-day average is the average of the most recent seven days of data. Department of Health and Human Services (test positivty, hospitalizations, I.C.U.
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