Healthcare worker Mariela Jacobo conducts a nasal swab test for COVID-19 from inside a freestanding coronavirus testing isolation booth, at the Posadas hospital, in Buenos Aires, Argentina, Thursday, Sept. 17, 2020. (AP Photo/Natacha Pisarenko)

FILE - This June 17, 2014, file photo shows the Wynn Las Vegas and Encore resorts in Las Vegas, both owned and operated by Wynn Resorts. One Las Vegas Strip casino owner says it tallied 548 positive tests for COVID-19 among its 12,000 employees since May 2020. Wynn Resorts reported Thursday, Sept. 17, 2020, that it had 497 positive tests for the new coronavirus since reopening June 4, 2020, after identifying 51 in initial screenings. (AP Photo/John Locher, File)

A man wearing a face mask rides an escalator in subway in Prague, Czech Republic, Thursday, Sept. 17, 2020. The Czech Republic has been been facing the second wave of infections. The number of new confirmed coronavirus infections has been setting new records almost on a daily basis, currently surpassing 2,000 cases in one day for the first time. (AP Photo/Petr David Josek)

Ultra-Orthodox Jewish men pray ahead of the Jewish new year at the Western Wall, the holiest site where Jews can pray in Jerusalem's old city, Wednesday, Sept. 16, 2020. A raging coronavirus outbreak is casting a shadow over the normally festive Jewish New Year. With health officials recommending a nationwide lockdown, traditional family gatherings will be muted, synagogue prayers will be limited to small groups and roads will be empty. (AP Photo/Sebastian Scheiner)

A man reacts as health workers help collect a nasal swab sample to test for COVID-19 in Hyderabad, India, Thursday, Sept. 17, 2020. As India’s coronavirus confirmed cases jump by a record 97,894 cases in the past 24 hours, Prime Minister Narendra Modi’s government faced a scathing opposition criticism in Parliament for its handling of the pandemic and a contracting economy leaving millions jobless on Thursday. (AP Photo/Mahesh Kumar A.)

Students of the MGIMO (Moscow State Institute for Foreign Relations) wearing face masks to protect against coronavirus attend a meeting with Russian Foreign Minister Sergey Lavrov in Moscow, Russia, Tuesday, Sept. 1, 2020. Russia's tally of confirmed coronavirus cases has surpassed 1 million after authorities reported 4,729 new cases. With a total of 1,000,048 reported cases up to Tuesday, Russia has the fourth largest caseload in the world after the U.S., Brazil and India. (AP Photo/Pavel Golovkin)

FILE - In this Sept. 9, 2020, file photo, students wear protective masks as they arrive for classes at the Immaculate Conception School while observing COVID-19 prevention protocols in The Bronx borough of New York. New York City has again delayed the planned start of in-person learning for most of the more than 1 million students in its public school system. Mayor Bill de Blasio announced Thursday, Sept. 17, that most elementary school students would do remote-only learning until Sept. 29. Middle and high schools would stay remote through Oct. 1.(AP Photo/John Minchillo)

Signs mark the entrance to the University of Georgia's COVID-19 testing site in Athens, Ga, on Thursday, Sept. 3, 2020. (Joshua L. Jones/Athens Banner-Herald via AP)

In this Aug. 23, 2020 photo, Sister Stephanie Baliga, right, runs a marathon on a treadmill in the basement of Mission of Our Lady of the Angels church in Chicago. When the Chicago Marathon was canceled this year due to the coronavirus pandemic, Sister Baliga and her fellow nuns livestreamed the run and raised money for their community. (PJ Weiland via AP)

A security guard takes an attendee's temperature as a precaution against COVID-19 as they arrive at an event at Mooney's Bay Park in Ottawa, Ontario, on the Labour Day holiday weekend, Monday, Sept. 7, 2020. (Justin Tang/The Canadian Press via AP)

FILE- In this Thursday, Sept. 10, 2020, file photo, fans watch during the first half of an NFL football game between the Kansas City Chiefs and the Houston Texans in Kansas City, Mo. Ten fans who attended the Chiefs game last week have been told to quarantine after one fan tested positive for COVID-19, Kansas City health officials announced Thursday, Sept. 17, 2020. (AP Photo/Jeff Roberson, File)

Freshmen Mason Mathis, left, Travis Ryan and Seth Wood make their way to school on the first day of in-person instruction at Owasso schools Thursday, Sept. 17, 2020 in Owasso, Okla. (Mike Simons/Tulsa World via AP)