Medical staff prepare for an intubation procedure on a COVID-19 patient in a Houston intensive care unit. In some parts of the U.S., as hospitals get crowded, hospital leaders are worried they may need to implement crisis standards of care. Go Nakamura/Getty Images hide caption
A temporary tent was set up at UMass Memorial Hospital in Worcester, Mass., to prepare for an uptick in COVID-19 cases this month. Erin Clark/Boston Globe via Getty Images hide caption
Sam Berns and Audrey Gordon, executive director of The Progeria Research Foundation and Berns's aunt, attend The New York Premiere Of HBO's "Life According To Sam" on October 8, 2013 in New York City. Thos Robinson/Getty Images for HBO hide caption
Pfizer plans to file within days with the Food and Drug Administration to allow emergency use of its COVID-19 vaccine. Bebeto Matthews/AP hide caption
In an aerial view from a drone, cars line up at Dodger Stadium for COVID-19 testing in Los Angeles, California. David McNew/Getty Images hide caption
The Pfizer COVID-19 vaccine needs to be stored at minus 70 Celsius. Health care providers will need to store it either in dry ice for shorter stints or in specialized freezers. Leon Neal/Getty Images hide caption
Clinical data for Moderna's COVID-19 vaccine showed it was nearly 95% effective in preventing disease, according to an interim analysis described in a company release Monday. Maddie Meyer/Getty Images hide caption
Novavax released its federal contract to develop and supply a COVID-19 vaccine. The agreement reveals terms that weren't previously known. Bloomberg via Getty Images hide caption
"One of the greatest gifts is to feel alive while you are alive," Katherine Standefer says. She writes about her experiences living with an implantable cardiac defibrillator in Lightning Flowers. Luke Parsons/Hachette Book Group hide caption
The Food and Drug Administration has authorized Eli Lilly's antibody-based drug bamlanivimab for emergency use as a treatment for COVID-19. Eli Lilly via AP hide caption
Pfizer said a clinical trial of its experimental COVID-19 vaccine found it to be more than 90% effective. Mark Lennihan/AP hide caption
The hallucinogenic chemical psilocybin produced in some mushrooms helped people with major depression in a study that also included supportive psychotherapy. Jahi Chikwendiu/The Washington Post via Getty Images hide caption
An Eli Lilly researcher tests possible COVID-19 antibodies in a laboratory in Indianapolis. David Morrison/AP hide caption
A heavily redacted supply contract between the federal government and vaccine developer Moderna, headquartered in Cambridge, Mass., was released Friday. Joseph Prezioso/AFP via Getty Images hide caption
A panel of advisers to the Food And Drug Administration has raised questions about some aspects of the agency's approach to reviewing COVID-19 vaccines. Sarah Silbiger/Getty Images hide caption
Eli Lilly researchers prepare cells to produce possible COVID-19 antibodies in a laboratory in Indianapolis. The drugmaker has asked the U.S. government to allow emergency use of its experimental antibody therapy. David Morrison/AP hide caption
COVID-19 mortality rates are going down, according to studies of two large hospital systems, partly thanks to improvements in treatment. Here, clinicians care for a patient in July at an El Centro, Calif., hospital. Mario Tama/Getty Images hide caption
Recruiting patients for medical studies has been challenging during the pandemic, especially older people who are more vulnerable to COVID-19. Getty Images hide caption
Tobacco plants are being used in the development of COVID-19 vaccines. One is already being tested in humans. Rehman Asad/Barcroft Media via Getty Images hide caption
An Eli Lilly researcher tests possible COVID-19 antibodies in a company laboratory in Indianapolis. David Morrison/AP hide caption
The nasal spray version of the flu vaccine contains live but weakened form of the virus. Researchers think there's a good chance this could help boost the body's immunity and improve its ability to fight off pathogens such as the coronavirus. Tim Sloan/AFP via Getty Images hide caption
A new wave of rapid coronavirus tests has entered the market with the potential to greatly expand screening for the virus. Spencer Platt/Getty Images hide caption
African Americans and other underrepresented minorities make up only about 5% of the people in genetics research studies. janiecbros/Getty Images hide caption
Researchers in Miami hold syringes containing either a placebo or the candidate COVID-19 vaccine from Moderna. Their work is part of a phase three clinical trial sponsored by the National Institutes of Health. Taimy Alvarez/AP hide caption