Coronavirus updates: CDC now 'strongly recommends' masks on airplanes, public transportation
The goal is to "help safely reopen America’s economy," the CDC said.
A pandemic of the novel coronavirus has now killed more than 1.1 million people worldwide.
Over 40 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 8.1 million diagnosed cases and at least 219,674 deaths.
California has the most cases of any U.S. state, with more than 875,000 people diagnosed, according to Johns Hopkins data. California is followed by Texas and Florida, with over 854,000 cases and over 755,000 cases, respectively.
More than 190 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.
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Ireland issues strict new lockdown measures
In an effort to stem rising coronavirus cases, Ireland will enter a six-week national lockdown starting Wednesday, according to the Irish government.
Ireland's lockdown, which mandates that nonessential employees work from home, residents stay within a 5-kilometer radius of their homes, and nonessential businesses close, is among the strictest in Europe.
Unlike Ireland's strict lockdown in the spring, however, schools will remain open for now.
California board to independently review vaccine before distribution
California will only distribute COVID-19 vaccines after they've been independently approved by a state board, Gov. Gavin Newsom said during a Monday news conference.
The board will be made up of 11 experts from California universities and is meant to dispel vaccine hesitancy following the intense politicization already surrounding the potential vaccine.
Newsom also urged patience. "Don't expect that you'll go down to a local pharmacy anytime in this calendar year and get a vaccination," he said.
Instead, most Californians can expect to be vaccinated in 2021, according to the governor.
NYC schools test thousands of students and staff, find few infections
Despite opening in person for classes amid rising COVID-19 cases, few infections have been tied to New York City public schools, according to early data from the city's department of education.
Of the 16,298 tests the department has received results for, only 28, or 0.17%, are positive. Of those infections, 20 are among staff members and eight among students, a department spokesperson told ABC News on Monday.
Independent watchdog to investigate political pressure on CDC, FDA
The Government Accountability Office, an independent arm of Congress, has agreed to investigate allegations that the Trump administration applied political pressure to the Centers for Disease Control and Prevention and the Food and Drug Administration, undermining the agencies' credibility and independence.
Senate Democrats first appealed to the watchdog agency in a letter on Oct. 8.
Nationwide mask mandate and other new restrictions take force in Switzerland
A nationwide mask-wearing mandate and other new restrictions took force in Switzerland on Monday, amid a growing number of COVID-19 infections.
People must now wear face masks in publicly accessible indoor spaces and at all public transport access points across the Central European country, including airports, bus and tram stops, railway stations, restaurants, shops and theaters. Masks have already been required on all public transport since July.
Moreover, spontaneous gatherings of more than 15 people in public areas are no longer permitted. Masks are now required for all private events with more than 15 people. People may only consume food and drink while sitting down, and the contact details of all those taking part must be recorded.
In addition, patrons in all restaurants and entertainment venues also may only consume food and drink while sitting.
The federal government is again recommending people to work from home, as it did in March.
The Swiss Federal Council announced the new measures on Sunday.
Switzerland has confirmed more than 74,000 cases of COVID-19 and at least 1,823 deaths since the start of the pandemic, according to the latest data from the Swiss Federal Office of Public Health.
ABC News' Christine Theodorou contributed to this report.