TOPSHOT - An aerial view shows the P4 laboratory at the Wuhan Institute of Virology in Wuhan in China's central Hubei province on April 17, 2020. - The P4 epidemiological laboratory was built in co-operation with French bio-industrial firm Institut Merieux and the Chinese Academy of Sciences. The facility is among a handful of labs around the world cleared to handle Class 4 pathogens (P4) - dangerous viruses that pose a high risk of person-to-person transmission. (Photo by Hector RETAMAL / AFP) (Photo by HECTOR RETAMAL/AFP via Getty Images)
Bridget McDonald, right, receives a ballot from poll worker Patty Piek-Groth on Tuesday, April 7, 2020, at the Janesville Mall in Janesville, Wis. Hundreds of voters in Wisconsin are waiting in line to cast ballots at polling places for the state's presidential primary election, ignoring a stay-at-home order over the coronavirus threat. (Angela Major/The Janesville Gazette via AP)