Attendance clerk Amanda Garza, left, passes a computer to student Joshua Chavez, right, as administrators and teachers pass out schedules, computers, and calculators to some of the 1,900 students at Southside High School, Thursday, Aug. 13, 2020, in San Antonio. Southside will begin the year with remote teaching and has added hotspots to the school district to help students without access to the internet. (AP Photo/Eric Gay)

A passenger wearing a face mask to help curb the spread of the coronavirus is disinfected her hand before getting on a trolley bus in Pyongyang, North Korea, Thursday, Aug. 13, 2020. (AP Photo/Jon Chol Jin)

FILE - In this July 21, 2020, file photo, health care workers take information and samples from people waiting to be tested for the coronavirus in Pleasanton, Calif. Gov. Gavin Newsom said Wednesday, Aug. 12, 2020, that California was turning the corner in its fight against the coronavirus pandemic, citing a significantly lower number of confirmed new cases as the state begins to clear backlogged cases from a data failure. (AP Photo/Ben Margot, File)

Visitors wearing face masks to help protect against the coronavirus visit Forbidden City in Beijing, Thursday, Aug. 13, 2020. New local cases in China fell into the single digits, while Hong Kong saw another rise in hospitalizations and deaths. (AP Photo/Andy Wong)

FILE - In this July 11, 2020, file photo, a woman wears a face mask while riding a scooter in front lanterns hanging in Chinatown during the coronavirus outbreak in San Francisco. In San Francisco, a city that depends largely on tourism, a nearly $11 billion loss in tourism spending is projected in 2020 and 2021 as the thousands of people who normally flock their for conventions and vacations have disappeared, according to the city's tourism bureau. (AP Photo/Jeff Chiu, File)

Shoppers observe social distancing on Oxford Street in London, Thursday, Aug. 13, 2020. The British economy is on course to record the deepest coronavirus-related slump among the world's seven leading industrial economies after official figures showed it shrinking by a 20.4% in the second quarter of 2020 alone said The Office for National Statistics. (AP Photo/Kirsty Wigglesworth)

Ultra-Orthodox Jews, followers of the Hasidic sect of Shomrei Emunim, wearing protective face masks amid concerns over the country's coronavirus outbreak, gather for the funeral of their Rabbi Refael Aharon Roth, 72, who died from the virus, in Bnei Brak, Israel, Thursday, Aug. 13, 2020. (AP Photo/Oded Balilty)

Soldiers disinfect the Christ the Redeemer site, currently closed, to prepare for what tourism officials hope will be a surge in visitors in the upcoming weekend as health restrictions are eased amid the new coronavirus pandemic in Rio de Janeiro, Brazil, Thursday, Aug. 13, 2020. (AP Photo/Silvia Izquierdo)

Newly graduated teachers from the state of Michoacan, hang signs on the fence of the city's cathedral, as they protest against Mexico's President Andres Manuel Lopez Obrador, demanding better salaries and jobs, in Mexico City, Thursday, Aug. 13, 2020. With the country facing a deep economic recession, Mexican President Andres Manuel Lopez Obrador has pushed to reopen the economy quickly even as COVID-19 infections and deaths continue to rise. (AP Photo/Fernando Llano)

Artist Karla Funderburk, owner of Matter Studio Gallery, adjusts one of of the thousands of origami cranes hanging during an exhibit honoring the victims of COVID-19, Tuesday, Aug. 11, 2020, in Los Angeles. Funderburk started making the cranes three months earlier, stringing the paper swans in pink, blue, yellow and many other colors together and hanging them in her gallery. (AP Photo/Richard Vogel)

FILE - In this Aug. 6, 2020, file photo, Audrey Wylie, a speech pathologist, at Saltillo Primary School, puts a bus number sticker on Cruz Antle, a first grader, as he gets off the bus for his first day back to school in Saltillo, Miss. As schools reopen around the country, their ability to quickly identify and contain coronavirus outbreaks before they get out of hand is about to be put to the test. (Adam Robison/The Northeast Mississippi Daily Journal via AP, File)

In this handout photo taken on Thursday, Aug. 6, 2020, and provided by Russian Direct Investment Fund, an employee works with a coronavirus vaccine at the Nikolai Gamaleya National Center of Epidemiology and Microbiology in Moscow, Russia. Russia on Tuesday, Aug. 11 became the first country to approve a coronavirus vaccine for use in tens of thousands of its citizens despite international skepticism about injections that have not completed clinical trials and were studied in only dozens of people for less than two months. (Alexander Zemlianichenko Jr/ Russian Direct Investment Fund via AP)