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Coronavirus latest: Cases on the rise in 3 US states

The seven-day average for new cases in the United States has jumped by 13%.

Last Updated: September 22, 2020, 5:07 AM EDT

A pandemic of the novel coronavirus has now killed more than 961,000 people worldwide.

Over 31.1 million people across the globe have been diagnosed with COVID-19, the disease caused by the new respiratory virus, according to data compiled by the Center for Systems Science and Engineering at Johns Hopkins University. The criteria for diagnosis -- through clinical means or a lab test -- has varied from country-to-country. Still, the actual numbers are believed to be much higher due to testing shortages, many unreported cases and suspicions that some national governments are hiding or downplaying the scope of their outbreaks.

Since the first cases were detected in China in December, the virus has rapidly spread to every continent except Antarctica.

The United States is the worst-affected country, with more than 6.8 million diagnosed cases and at least 199,552 deaths.

California has the most cases of any U.S. state, with more than 786,000 people diagnosed, according to Johns Hopkins data. California is followed by Texas and Florida, with over 713,000 cases and over 683,000 cases, respectively.

Nearly 170 vaccine candidates for COVID-19 are being tracked by the World Health Organization, at least six of which are in crucial phase three trials.

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Here's how the news developed today. All times Eastern.
Sep 21, 2020, 4:40 AM EDT

US death toll from COVID-19 inches closer to 200,000

An additional 230 coronavirus-related fatalities were recorded in the United States on Sunday, as the country's death toll inches closer to the 200,000 mark, according to a real-time count kept by Johns Hopkins University.

Sunday's tally of COVID-19 deaths is well under the country's record set on April 17, when there were 2,666 new fatalities in a 24-hour reporting period.

There were also 38,978 new cases of COVID-19 confirmed across the nation on Sunday, down from a peak of 77,255 new cases reported on July 16.

PHOTO: A man walks through the plaza at the Vessel in Hudson Yards in New York City on Sept. 18, 2020.
A man walks through the plaza at the Vessel in Hudson Yards in New York City on Sept. 18, 2020. The structure and visitor attraction, which has been closed since March due to the coronavirus pandemic, will now operate at 25 percent capacity and have numerous health and social distancing protocols in place.
Timonthy A. Clary/AFP via Getty Images

A total of 6,805,630 people in the United States have been diagnosed with COVID-19 since the pandemic began, and at least 199,512 of them have died, according to Johns Hopkins. The cases include people from all 50 U.S. states, Washington, D.C. and other U.S. territories as well as repatriated citizens.

By May 20, all U.S. states had begun lifting stay-at-home orders and other restrictions put in place to curb the spread of the novel coronavirus. The day-to-day increase in the country's cases then hovered around 20,000 for a couple of weeks before shooting back up and crossing 70,000 for the first time in mid-July. The daily tally of new cases has gradually come down since then.

Week-over-week comparisons show that the number of new cases and the number of new deaths recorded in the United States are both decreasing, according to an internal memo from the Federal Emergency Management Agency obtained by ABC News last week.

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