Writing for Vox, Abraar Karan, a physician at Brigham and Women's Hospital and Harvard Medical School, describes a recent Covid-19 spreading event on an international flight from Dubai to New Zealand to assess whether flying is safe—and whether that's even the right question to ask.

"Never smokers," or people who've never smoked in their lives, account for an increasingly larger share of lung cancer cases, prompting experts to call for new cancer screening guidelines and treatments, Sharon Begley writes in STAT News—an article Begley, a never smoker herself, completed just five days before her death from complications of lung cancer on Jan. 16.

The White House on Tuesday announced that the Biden administration plans to purchase an extra 200 million doses of the United States' currently authorized Covid-19 vaccines, which Biden says would give the country enough doses to fully vaccinate 300 million Americans by the end of this summer.

The novel coronavirus pandemic has affected the world in a host of different ways, but perhaps one of the pandemic's most widespread side effects has been a loss of sleep, according to multiple studies—an effect that could have long-lasting physical, mental, and emotional consequences, Neil Osterweil reports for Medscape.

President Biden will name Susan Orsega—an infectious disease specialist, nurse, and officer in the U.S. Public Health Service Commissioned Corps—as acting surgeon general, two people familiar with the matter told the Washington Post, potentially marking the first time a nurse will serve in the role of surgeon general, in today's bite-sized hospital and health industry news from the District of Columbia and Utah.