These are Insider's biggest healthcare stories for December 1.
Pfizer's chief scientist Mikael Dolsten highlighted two elements that will determine how the Omicron variant shapes the future of the pandemic.
Experts fear that the newest variant may make vaccines and therapies less effective. "On the face of it, it looks pretty gnarly," one said.
The German biotech, which makes COVID-19 vaccines with Pfizer, said Monday it doesn't want to "waste any time" and is working on an "adapted" vaccine.
Pfizer expects to know within two weeks whether the variant is resistant to its current vaccine, a company spokesperson told Reuters.
Little is known about the new COVID strain emerging in Africa. That hasn't stopped traders from betting big on lockdowns and a return to telework.
The stock prices of vaccine makers Moderna and Pfizer surged Friday along with stay-at-home stocks like Zoom Video and Peloton.
The B.1.1.529 variant has been detected in South Africa, Botswana, Hong Kong, and Israel, and it's spreading rapidly.
The FDA last week expanded its emergency authorization for booster shot eligibility, making all adults able to receive them.
The FDA's authorization will expand and simplify the booster-shot campaign, making all adults eligible for a third shot after six months.
California, Colorado, New Mexico, and New York City are telling healthcare providers to give COVID-19 boosters to all adults who ask for them.
"They're not bad people," Pfizer CEO Albert Bourla said Tuesday. "They're criminals because they have literally cost millions of lives."
Kids receive one-third of the standard dose given to adults, so they can generally expect fewer side effects.
These are Insider's biggest healthcare stories for November 8.
Pfizer plans to seek the Food and Drug Administration's OK this month for the pill, with doses potentially ready for delivery this year.
These are Insider's biggest healthcare stories for the week ending November 5.
"Our ability to stop living in fear is now within reach," Mikael Dolsten, Pfizer's chief scientific officer, told Insider.