Epidemics

A health worker checks the temperature of an elderly patient at the emergency entrance of the Steve Biko Academic Hospital in Pretoria, South Africa, Monday, Jan. 11, 2021, which is battling an ever-increasing number of COVID-19 patients. (AP Photo/Themba Hadebe)

CORRECTS SPELLING OF FIRST NAME TO LINDSEY INSTEAD OF LUNDSEY - FILE - In this Jan. 11, 2021, file photo, Grace Mathre, server at Longfellow Grill, checks on University of St. Thomas students Lindsey Schulz and Maren Daggett in Minneapolis. As the U.S. finds itself in the most lethal phase of the coronavirus outbreak yet, governors and local officials in hard-hit parts of the country are showing little willingness to impose any new restrictions on businesses to stop the spread. (Glen Stubbe/Star Tribune via AP, File)

Health and Human Services Secretary Alex Azar speaks during a news conference on Operation Warp Speed and COVID-19 vaccine distribution, Tuesday, Jan. 12, 2021, in Washington. (AP Photo/Patrick Semansky, Pool)

An employee of the Municipal Health Service GGD, right, administers a Pfizer-BioNTech COVID-19 vaccine to a health care worker at a coronavirus vaccination facility in Houten, central Netherlands, Friday, Jan. 8, 2021. (AP Photo/Peter Dejong)

FILE - In this Aug. 18, 2020 file photo, U.S. Rep. Brad Schneider speaks during a press conference in Chicago. Schneider who was forced to go into lockdown during last week's deadly siege at the Capitol announced Tuesday, Jan. 12, 2021, he has tested positive for COVID-19. Schneider has become at least the third House Democrat to announce a COVID-19 infection since the lockdown. (Ashlee Rezin Garcia/Chicago Sun-Times via AP, File)

Caskets labelled with the word 'Covid' are stacked with others coffins in the memorial hall of the crematorium in Meissen, Germany, Monday, Jan. 11, 2021. The crematorium would typically have 70 to 100 caskets on site at this time of year, now it has 300 bodies waiting to be cremated and more are brought to the crematorium every day. (AP Photo/Markus Schreiber)

A woman wearing a face mask to protect against coronavirus walks at a train station in Moscow, Russia, Monday, Jan. 11, 2021. (AP Photo/Pavel Golovkin)

FILE- In this Jan. 30, 2020, file photo, Tedros Adhanom Ghebreyesus, Director General of the World Health Organization (WHO), talks to the media at the World Health Organization headquarters in Geneva, Switzerland. China said Monday, Jan. 11, 2021, that a group of experts from the World Health Organization are due to arrive this week for an investigation into the origins of the coronavirus pandemic. (Jean-Christophe Bott/Keystone via AP, File)

A patient wearing an oxygen mask is treated in a makeshift emergency unit at Steve Biko Academic Hospital in Pretoria, South Africa, Monday, Jan. 11, 2021, which is battling an ever-increasing number of Covid-19 patients. (AP Photo/Themba Hadebe)

A man walks past a bank's electronic board showing the Hong Kong share index at Hong Kong Stock Exchange Monday, Jan. 11, 2021. Asian shares were mostly higher Monday as bullish sentiment persisted despite continuing signs of economic damage from the pandemic. (AP Photo/Vincent Yu)