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Coronavirus updates: Delta puts 460 people on 'no-fly list' over mask violations

"A mask is among the simplest and most effective actions," Delta's CEO said.

ByMorgan Winsor and Emily Shapiro
Last Updated: October 25, 2020, 12:19 PM EDT

A pandemic of the novel coronavirus has now killed more than 1.1 million people worldwide.

Over 42 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 8.4 million diagnosed cases and at least 223,730 deaths.

California has the most cases of any U.S. state, with more than 894,000 people diagnosed, according to Johns Hopkins data. California is followed by Texas and Florida, with over 871,000 cases and over 771,000 cases, respectively.

Nearly 200 vaccine candidates for COVID-19 are being tracked by the World Health Organization, at least 10 of which are in crucial phase three studies. Of those 10 potential vaccines in late-stage trials, there are currently five that will be available in the United States if approved.

Latest headlines:

Here's how the news developed today. All times Eastern.
Oct 23, 2020, 10:14 AM EDT

Poland sees record rise in new cases ahead of nationwide 'red zone' restrictions

Poland confirmed 13,632 new cases of COVID-19 on Thursday, the country's highest figure since the pandemic began.

An additional 153 deaths from COVID-19 were also registered nationwide, down from a peak of 168 a day earlier. The cumulative total now stands at 228,318 cases and 4,172 deaths, according to the Polish Ministry of Health.

Polish Prime Minister Mateusz Morawiecki is seen on a mobile phone screen in Warsaw as he speaks during a press conference on the new restrictions to curb the spread of the novel coronavirus on Oct. 23, 2020.
Slawomir Kaminski/Agencja Gazeta/via Reuters

Polish Prime Minister Mateusz Morawiecki announced that, starting Saturday, the entire nation of 38 million people will be placed in a "red zone" of strict measures aimed at curbing further spread of the novel coronavirus, just short of a lockdown. The measures include wearing masks at all times outdoors, switching all primary schools to remote learning and the closure of restaurants except for takeaway and delivery services.

"We absolutely must cut the means of transmission of infection," Morawiecki said.

Oct 23, 2020, 9:34 AM EDT

Halloween still on at the White House, but with 'extra precautions'

The White House grounds will open to costumed trick-or-treaters on Sunday for the annual Halloween festivities, but with "extra precautions" in place due to the coronavirus pandemic, according to a statement from the first lady's office.

All guests are required to wear a face covering and practice social distancing during their visit. All personnel working the event must wear a face covering, while any staff passing out candy will be required to wear gloves. Guest capacity will be limited, with extended event hours.

U.S. President Donald Trump and First Lady Melania Trump hand out candy for children at a Halloween celebration at the White House in Washington, D.C., on Oct. 28, 2019.
Nicholas Kamm/AFP via Getty Images

Social distancing measures will be in place, and hand sanitizer will be available throughout the event route. Each department will utilize a "no-touch approach" when distributing product in their area.

The statement said President Donald Trump and first lady Melania Trump will "greet" trick-or-treaters as they pass by the South Portico of the White House. In previous years, the couple have handed out candy themselves.

Oct 23, 2020, 9:11 AM EDT

France hits new record of over 41,000 new cases in a day

France confirmed 41,622 new cases of COVID-19 on Thursday, its highest single-day count since the start of the pandemic.

The country's public health agency also registered an additional 165 fatalities from COVID-19 in 24 hours. The cumulative total now stands at 999,043 cases with 34,210 deaths.

France has the seventh-highest case count in the world, according to a tally kept by Johns Hopkins University.

Two people face the Eiffel Tower in Paris, France, on Oct. 22, 2020, amid the coronavirus pandemic.
Valery Hache/AFP via Getty Images

More than 10,000 patients remain hospitalized for COVID-19 across France, including 1,627 in intensive care, according to the public health agency.

COVID-19 patients now take up more than 60% of all intensive care beds in hospitals across the greater Paris region of Ile-de-France, a spokesperson for the regional health agency told ABC News. That figure is up from 59.3% on Tuesday.

French Prime Minister Jean Castex announced Thursday that a 9 p.m. curfew already in place in Paris and eight other major cities would be extended to cover 54 of the country's 94 administrative departments. Some 46 million residents will be under the curfew by Saturday night.

ABC News' Ibtissem Guenfoud contributed to this report.

Oct 23, 2020, 8:30 AM EDT

Russia reports over 17,000 new cases for 1st time

Russia confirmed 17,340 new cases of COVID-19 in the last 24 hours, setting a new national record, according to the coronavirus response headquarters.

It's the first time since the start of the coronavirus pandemic that Russia's daily case count has surpassed 17,000. The country's previous record of 16,319 new cases was set on Tuesday.

An additional 283 deaths from COVID-19 were also registered in the last 24 hours, down from a peak of 317 on Wednesday, according to Russia's coronavirus response headquarters.

A medical specialist adjusts his face mask as he walks outside a hospital for patients infected with COVID-19 on the outskirts of Moscow, Russia, on Oct. 23, 2020.
Maxim Shemetov/Reuters

Almost a third of the new cases -- 5,478 -- and nearly 21% of the deaths -- 61 -- were reported in the capital, Moscow, the epicenter of the country's outbreak and recent surge.

The cumulative totals now stand at 1,480,646 cases and 25,525 fatalities, according to Russia's coronavirus response headquarters.

The Eastern European country of 145 million people has the fourth-highest tally of COVID-19 cases in the world, behind only the United States, India and Brazil, according to a real-time count kept by Johns Hopkins University.

ABC News' Alina Lobzina contributed to this report.

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