Pre-school teacher Mikki Laugier, right, guides students in a lesson as they participate in an outdoor learning demonstration to display methods schools can use to continue on-site education during the coronavirus pandemic, Wednesday, Sept. 2, 2020, at P.S. 15 in the Red Hook neighborhood of the Brooklyn borough of New York. John Minchillo/AP hide caption
Dr. Joseph Varon notifies the family of a patient who died inside the coronavirus unit at Houston's United Memorial Medical Center on July 6. Varon tells NPR he's "living on adrenaline." David J. Phillip/AP hide caption
Emergency medics from the Houston Fire Department try to save the life of a nursing home resident in cardiac arrest on August 12 in Houston, Texas. John Moore/Getty Images hide caption
The Centers for Disease Control and Prevention briefly posted new guidance to its website stating that the coronavirus can commonly be transmitted through aerosol particles, which can be produced by activities like singing. Here, choristers wear face masks during a music festival in southwestern France in July. Bob Edme/AP hide caption
Tourists visit the Taj Mahal on Monday, when it reopened after being closed for more than six months due to the coronavirus pandemic. Pawan Sharma/AP hide caption
If the U.K.'s rate of new coronavirus cases doubles four more times, Chief Scientific Advisor Sir Patrick Vallance said, "you would end up with something like 50,000 cases in the middle of October per day." 10 Downing Street hide caption
The U.S. Capitol, seen here on April 13, remains closed to public tours and open only to members, staff, press and official business visitors. Al Drago/Bloomberg via Getty Images hide caption
Vaccines for measles-rubella and cervical cancer are administered at a school in Jimbaran, Indonesia. Vaccination rates have dropped during the pandemic. Keyza Widiatmika/NurPhoto via Getty Images hide caption
A man wearing a protective mask looks at piled-up trash in New York City on April 24. Cities are struggling with collection as the volume of residential garbage surges during the stay-at-home era. Cindy Ord/Getty Images hide caption
Demonstrators pray in front of the U.S. Supreme Court on July 8, a day the court ruled that employers with religious objections can decline to provide contraception coverage under the Affordable Care Act. With the death of Ruth Bader Ginsburg, the ACA's future is in doubt. Chip Somodevilla/Getty Images hide caption
Niticia Mpanga, a registered respiratory therapist, checks on an ICU patient at Oakbend Medical Center in Richmond, Texas. The mortality rates from COVID-19 in ICUs have been decreasing worldwide, doctors say, at least partly because of recent advances in treatment. Mark Felix/AFP via Getty Images hide caption
Suzy Margueron (seated, center) who advocates for people with hearing loss, likes to gather with friends in Paris' Luxembourg Gardens. All have transparent masks, but say it's others who should be wearing them too. Eleanor Beardsley/NPR hide caption
New York City Mayor Bill de Blasio, shown here last month in Brooklyn, says that he and employees in his office will take furloughs to reduce costs. John Minchillo/AP hide caption
In her new book, Modern Madness: An Owner's Manual, Terri Cheney, who lives with bipolar disorder, shares advice for dealing with anxiety and depression and helping loved ones through a crisis. Neha Gupta/Getty Images hide caption
Guatemalan President Alejandro Giammattei, shown at an event marking the country's independence earlier this week, tested positive for COVID-19 Friday. Moises Castillo/AP hide caption
Air passengers wearing practically full-body coveralls at the Netaji Subhas Chandra Bose International Airport in India. Dibyangshu Sarkar/AFP via Getty Images hide caption
President Trump speaks Friday at a news conference at the White House. He has made fast-tracking a vaccine against the coronavirus a core tenet of his reelection pitch. Alex Wong/Getty Images hide caption
English coronavirus patients George Gilbert, 85, and his wife, Domneva Gilbert, 84, were part of a clinical trial that included Eli Lilly & Co.'s baricitinib. Kirsty Wigglesworth/AP hide caption
Rabbi Yehonatan Adouar teaches a shofar blowing course in Rambam Synagogue in Ramat Gan, Israel Daniel Estrin/NPR hide caption
Last Sunday in the park in Nairobi, life was seemingly back to normal in the middle of a pandemic — which didn't appear to hit the country as hard as expected. Eyder Peralta/NPR hide caption