Drug approvals

Medical workers use the mobile morgues near the El Paso Medical Examiner Monday, Nov. 9, 2020, as coronavirus cases spike in El Paso, Texas. County Judge Ricardo Samaniego said the county has requested four more trailers in addition to the six mobile morgues. (Briana Sanchez/The El Paso Times via AP)

FILE - In this Wednesday, June 24, 2020 file photo, a volunteer receives an injection at the Chris Hani Baragwanath hospital in Soweto, Johannesburg, as part of Africa's first participation in a COVID-19 vaccine trial developed at the University of Oxford in Britain in conjunction with the pharmaceutical company AstraZeneca. AstraZeneca says late-stage trials of its COVID-19 vaccine were "highly effective'' in preventing disease. A vaccine developed by AstraZeneca and the University of Oxford prevented 70% of people from developing the coronavirus in late-stage trials, the team reported Monday Nov. 23, 2020. (Siphiwe Sibeko/Pool via AP)

In this Feb. 12, 2019 photo, Meghan Waldron walks down the street in Boston. Waldron is a student at Emerson College with progeria, one of the world's rarest diseases. The first treatment has been approved for progeria, Friday, Nov. 20, 2020. The U.S. Food and Drug Administration on Friday approved Zokinvy which was shown in testing to extend patients’ lives by 2 ½ years on average. (Suzanne Kreiter/The Boston Globe via AP)

What does emergency use of a COVID-19 vaccine mean? AP Illustration/Peter Hamlin

In this March 2, 2020, photo provided by Naomi Worcester, a crew of workers unload gear as they arrive on Kure Atoll in the Northwestern Hawaiian Islands, one of the most remote places on Earth. Cut off from the rest of the planet since February, four environmental field workers are back, re-emerging into a changed society by the coronavirus outbreak. (Naomi Worcester/Hawaii Department of Land and Natural Resources via AP)

President Donald Trump speaks in the Rose Garden of the White House, Friday, Nov. 13, 2020, in Washington. (AP Photo/Evan Vucci)

People wearing face masks to help protect against the spread of the coronavirus feed pigeons on a street in Goyang, South Korea, Wednesday, Nov. 11, 2020. (AP Photo/Ahn Young-joon)

This photo provided by Eli Lilly shows the drug Bamlanivimab. On Monday, Nov. 9, 2020, the Food and Drug Administration cleared emergency use of Bamlanivimab, the first antibody drug to help the immune system fight COVID-19. The drug is for people 12 and older with mild or moderate COVID-19 not requiring hospitalization. (Courtesy of Eli Lilly via AP)

Pedestrians walk past Pfizer world headquarters in New York on Monday Nov. 9, 2020. Pfizer says an early peek at its vaccine data suggests the shots may be 90% effective at preventing COVID-19, but it doesn't mean a vaccine is imminent. (AP Photo/Bebeto Matthews)

In this Dec. 12, 2019 photo provided by Biogen, a scientist works on Alzheimer’s disease research in a laboratory at the drugmaker’s headquarters in Cambridge, Mass. On Friday, Nov. 6, 2020, a panel of outside experts will meet to advise the Food and Drug Administration on the drug, called aducanumab from Biogen Inc. and Japan’s Eisai Co. The drug does not cure or reverse Alzheimer’s; the claim is that it modestly slows the rate of decline. (David A. White/Biogen via AP)