There are many theories, none entirely satisfying. An infectious hunter might encounter a deer, Dr. Mubareka noted, but “if they’re good at hunting,” she...
A record-setting spike in coronavirus cases kept millions of workers at home in January and disrupted businesses from coast to coast. But it couldn’t...
But if you’re currently dealing with an active infection, the Centers for Disease Control and Prevention recommends waiting at least until you no longer...
Even so, the average business owner “sees a very strong environment right now,” said Oren Klachkin, the lead economist for U.S. industry and regional...
After a frenetic few weeks when the Omicron variant of the coronavirus seemed to infect everyone, including the vaccinated and boosted, the United States...
Because an immunocompromised host doesn’t produce a lot of antibodies, many viruses are left to propagate. And new mutant viruses that resist the antibodies...
“We know that increased vaccination and infection are strengthening our defenses against Covid,” Thomas Frieden, a former chief of the U.S. Centers for Disease...
Covid-related absences are creating headaches for businesses that were struggling to hire workers even before Omicron. Restaurants and retail stores have cut back hours....