Hunting for the next virus

Searching for the next virus The Covid-19 pandemic is not over yet, but some researchers are already worrying about mousepox. Colin Carlson, a biologist at Georgetown University, has spent the last few years training computers to predict which dangerous viruses could jump from animals to humans, following in the footsteps of the coronavirus (which came from bats), H.I.V. (chimpanzees) and hundreds of other pathogens. His team used machine learning to develop a short list of potentially dangerous viruses that could eventually make a leap. Mousepox — a virus that infects…

More Vaccine Mandates

Fully endorsed The F.D.A. granted full approval to the Pfizer-BioNTech coronavirus shots for people 16 and older yesterday, the fastest vaccine approval in the agency’s history. (Although, perhaps, not fast enough.) President Biden seized on the moment. “If you’re a business leader, a nonprofit leader, a state or local leader, who has been waiting for full F.D.A. approval to require vaccinations, I call on you now to do that,” he said. “Require it.” It gives companies more cover to impose vaccine mandates and industry groups more ground to lobby local…