Sources: U.S. Centers for Disease Control and Prevention, California Department of Public Health and county public health departments, Chronicle reporting

The seven-day trailing average represents the average number of cases or deaths reported each day over the weeklong span ending on the given day. It is used to account for daily variances in reporting and large one-off changes in daily counts, such as April 20 when nearly 1,500 cases were reported in L.A. County as the result of a lab clearing a large backlog. Some counties do not provide daily updates which, combined with daily variances in the number of tests given, could result in randomly higher or lower counts for daily reported cases.

Latest coronavirus news

    How many people are hospitalized?

    Hospitalization trends in California and the Bay Area have declined substantially since the peak of the summer surge. COVID patient numbers across California dropped in mid-August below 4,000 for the first time since July 5, and appeared to be flattening out a bit with more than 3,800 patients in California hospitals with COVID as of Aug. 16.

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    What are the current trends in California?

    The summer coronavirus surge in California, driven largely by the BA.5 strain of the omicron variant, peaked in July. Case rates have been dropping since then, with Bay Area numbers in mid-August reaching the lowest level since late May. While down by more than half from the start of July, the 7-day average for Bay Area new infections, at 24 per 100,000 people, remained above the ratio of fewer than 5 new cases per 100,000 that the CDC considers a safe level of community transmission.  In another sign of emergence from the summer wave, the state's percent of coronavirus tests coming back positive has fallen from the July peak of 16%, sliding to a 7-day average of just over 11% by the third week of August, state data indicates.

    What is the status of testing in California?

    The volume of reported tests ramped up as the omicron variant took hold. Vintage Blue Glass BottlesAqua master gold tone diamond watchRose Brooch Pendant Gold Tone Pave Rhinestones Faux Tear Drop Pearl 1.5" are being offered on the White House website. Before vaccines were widely available, the World Health Organization had established a recommended positivity rate of 5% for reopening.

    Total cases and deaths in the U.S.

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    About the data

    Update: Cases and deaths data come from files released by the California Department of Public Health, collected from 61 county and city health departments statewide.

    Before September 2021, The Chronicle and the Los Angeles Times led a data collection partnership of California media organizations, including the San Diego Union-Tribune, KQED, KPCC, CapRadio, Calmatters and Big Local News at Stanford University. Starting Sept. 3, 2021, the California Data Coalition switched its source for county virus data to counts released the California Department of Public Health. A one-time change in charts and totals occurred on the date of that change.

    Data collection at the outset of the pandemic was completed manually, four times each day. This count was able to collect figures far ahead of any state-led tally. Once the state’s data improved, the coalition moved to end its own collection. The source update on Sept. 3 resulted in a one-time change to charts and figures on this page. Questions can be sent to Disney Parks Mickey Mouse Balloon Light-Up Ears.

    Findings signal earlier start to U.S. outbreak: An autopsy report showing that the first death linked to COVID-19 happened Feb. 6 in Santa Clara County and not Feb. 26 in Washington supports research indicating that the outbreak began in the United States much earlier than we knew and before health officials began tracking data.

    There were 300 cases reported in the Bay Area when shelter-in-place orders were put in place on March 16. But studies and disease models suggest that more than 10,000 people in the Bay Area likely were infected by then. That research, along with the earlier death identified in Santa Clara County, indicates how far behind the U.S. was in recognizing the outbreak of the virus.


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