Medical workers wait for cars to pull up to the swabbing tent at Philadelphia's coronavirus testing site next to Citizens Bank Park on Friday. The site, which opened Friday afternoon, is the first city-run drive-through location where people can be swabbed to determine if they have the coronavirus. At the time of opening, it was only for people with symptoms older than 50 and healthcare workers with symptoms.
Stephen Bonett, a nurse and Philadelphia Medical Reserve Corps volunteer, administers a nasal swab to a driver at the city's coronavirus testing site next Friday. The site, which opened Friday afternoon, is the first city-run drive-through location where people can be swabbed to determine if they have the coronavirus.
A musician plays while wearing a mask and gloves at the Isemarkt street market in Hamburg, Germany, on Friday.
State Rep. G.A. Hardaway wears a mask during House floor proceedings in Nashville, Tenn., on Thursday.
Healthcare professionals prepare to begin testing at a drive-thru testing site for COVID-19 at United Memorial Medical Center on Thursday in Houston.
A person is taken on a stretcher into the United Memorial Medical Center after going through testing for COVID-19 Thursday, March 19, 2020, in Houston. People were lined up in their cars in a line that stretched over two miles to be tested in the drive-thru testing for coronavirus.
Shoppers wearing masks to guard against the spread of the new coronavirus wait in line to pay for their vegetables at a market in Caracas, Venezuela, on Thursday.
A worker wearing protective gear, left, transfers a container to another worker outside one of the tents at a state-managed coronavirus drive-thru testing site that opened Thursday on the Staten Island borough of New York. It is the first such facility in New York City.
Russian medical experts wait to check passengers arriving from foreign countries at Sheremetyevo airport outside Moscow, Russia on Thursday, March 19, 2020. Russian authorities have closed the border for all foreigners.
Commuters wear masks while riding the subway Thursday in New York.
Soldiers from Spain's Emergency Army Unit disinfect a terminal to prevent the spread of COVID-19 at the airport of Barcelona, Spain, on Thursday.
Health workers react as people applaud from their houses in support of the medical staff that are working in COVID-19 outbreak in Barcelona, Spain on March 16.
Russian medical experts walk to start their shift to check passengers arriving from foreign countries at Sheremetyevo airport outside Moscow, Russia, Thursday. Authorities in Russia are taking vast measures to prevent the spread of the COVID-19 virus in the country. The measures include closing the border for all foreigners, shutting down schools for three weeks, sweeping testing and urging people to stay home. For most people, the new coronavirus causes only mild or moderate symptoms. For some it can cause more severe illness.
A worker sprays disinfectant as a precaution against the new coronavirus on ball pool for Kids Cinema at Quartier Cineart movie theater in Bangkok, Thailand, Thursday, March 19. Thailand's government has enacted stronger measures to combat the spread of the coronavirus, including postponing the country's biggest holiday.
Office workers wearing masks move past lantern decorations in a mall and office building in Beijing on Thursday. China has only just begun loosening draconian travel restrictions within the country, but has stepped-up 14-day quarantine regulations on those arriving in Beijing, Shanghai and elsewhere from overseas, amid expectations of a new influx of students and others returning home.
In this March 18, 2020 photo, people stand in a spaced line as they wait to buy pork at the entrance gate of a closed residential community in Wuhan in central China's Hubei Province. Last month, Wuhan was overwhelmed with thousands of new cases of coronavirus each day. But in a dramatic development that underscores just how much the outbreak has pivoted toward Europe and the United States, Chinese authorities said Thursday that the city and its surrounding province had no new cases to report.
A police car drives in front of St. Stephen's Cathedral in Vienna, Austria - an area usually thronged with locals and tourists - on Thursday, March 19, 2020.
A shop offers free hand washing in London, Thursday, March 19, 2020. For most people, the new coronavirus causes only mild or moderate symptoms, such as fever and cough. For some, especially older adults and people with existing health problems, it can cause more severe illness, including pneumonia.(AP Photo/Kirsty Wigglesworth)
Trucks back up at the border between Germany and Poland on March 19 after Poland reintroduced border controls to make it more difficult for the coronavirus to spread.
This Monday March 16, 2020 file photo shows a reminder regarding personal hygiene in lieu of the spreading COVID-19 coronavirus on the sign outside the Austinburg First United Church in Austinburg Township, Ohio.
A worker sprays disinfectant as a precaution against the new coronavirus at Quartier Cineart movie theater in Bangkok, Thailand, Thursday.
Nation & World 
