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Coronavirus news: Fauci details lesser-publicized side effects of COVID-19

"A disturbing number of individuals" were found to have heart inflammation.

ByWilliam Mansell and Emily Shapiro
Video byJessie DiMartino
Last Updated: September 24, 2020, 6:12 AM EDT

A pandemic of the novel coronavirus has now killed more than 973,000 people worldwide.

Over 31.7 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 6.9 million diagnosed cases and at least 201,617 deaths.

California has the most cases of any U.S. state, with more than 794,000 people diagnosed, according to Johns Hopkins data. California is followed by Texas and Florida, with over 741,000 cases and over 690,000 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.

Latest headlines:

Here's how the news developed today. All times Eastern.
Sep 23, 2020, 4:50 PM EDT

Indiana to lift nearly all restrictions

Indiana will move to Stage 5, its final phase of reopening, on Saturday, Gov. Eric Holcomb has announced.

Retail stores, malls, restaurants, bars and nightclubs can operate at full capacity under the Stage 5 rules.

A protester holds a sign during an "Indiana Back to Work" rally at the Statehouse in Indianapolis, May 1, 2020.
Darron Cummings/AP, FILE

There will be no restrictions at gyms and large events like sports, fairs and festivals can resume.

Restrictions will also be lifted at amusement parks and water parks, though people are advised to maintain social distancing.

Masks will still be required.

ABC News' Will Gretsky contributed to this report.

Sep 23, 2020, 3:54 PM EDT

France announces new restrictions as cases rise

New restrictions are coming in France as the nation deals with the highest increase of COVID-19 cases in Europe since May.

French Health Minister Olivier Véran announced a set of targeted restrictions Wednesday to be implemented in various cities for two weeks.

Starting Saturday, in Paris and seven other major cities, parties will be prohibited, with outdoor gatherings limited to 10 people.

French Health Minister Olivier Veran addresses media representatives during a press conference about the situation of the novel coronavirus pandemic in France, at the Health Ministry in Paris, Sept. 23, 2020.
Eliot Blondet/AFP via Getty Images

Bars must shut their doors at 10 p.m., gyms will be closed and sporting events will be limited to 1,000 spectators.

Meanwhile, Marseille and Guadeloupe are enacting stricter rules; starting Monday all bars and restaurants will be closed.

French officials reported 13,072 new cases on Wednesday, just short of the highest daily record of 13,215. France now has over 481,000 COVID-19 cases and at least 31,459 fatalities.

ABC News' Ibtissem Guenfoud and Christine Theodorou contributed to this report.

Sep 23, 2020, 3:32 PM EDT

20 times more likely to catch COVID-19 indoors than outdoors: Study

Dr. Blythe Adamson, a former member of the White House coronavirus task force, told "GMA3" on Wednesday, "One of things that we just learned recently -- and published in a new study today in Clinical and Infectious Diseases -- is that being indoors, you're 20 times more likely to catch COVID from an infectious person than if you were around them outdoors."

Guests sit at a table set up on a dance floor for social distancing at Lucky Day bar on Sept. 21, 2020, in Las Vegas.
Ethan Miller/Getty Images

Adamson is now adviser to Testing for America, a nonprofit established to help solve the testing crisis.

Adamson stressed that the U.S. must "be flexible and adapt, so as we learn more about the science, we're willing to change our public policies so that they match the best science."

"There's a lot of work for us to continue to do over the next couple of months. As we move forward into flu season, it's even more important that we're able to distinguish between a viral infection that's from influenza or coronavirus," she said.

Sep 23, 2020, 1:02 PM EDT

Redfield stands by his timeline that most Americans will be vaccinated by summer 2021

While testifying at a Senate hearing Wednesday, Robert Redfield stood by his timeline on when most Americans would be vaccinated. He said the expectation is that millions of doses will be ready by April and that it could take until summer 2021 to get the vaccine to most Americans.

“I think that’s going to take us to April, May, June, possibly July to get the entire American public completely vaccinated," said Redfield, director of the CDC.

Robert Redfield, director of the CDC, testifies during a Senate Health, Education, Labor, and Pensions Committee Hearing to examine COVID-19, focusing on an update on the federal response at the Capitol in Washington, Sept. 23, 2020.
Pool/Reuters

When Dr. Anthony Fauci testified he said that about 50 million doses of all the viable vaccine candidates will be available in November, and more in December, and that those doses will be prioritized to health care providers and vulnerable populations.

ABC News' Stephanie Ebbs contributed to this report.