◼ IN BRIEF
● Global coronavirus cases have topped 276 million, almost 5.4m people have died, and more than 8.8 billion vaccine doses have been given. ① In the U.S., the highly infectious omicron variant accounts for more than 73% of all new cases. ② The timing of this latest surge is quite bad for holiday travel: Scientists estimate air passengers are at least twice as susceptible to transmission. ③ The good news: A South African study showed there’s a much lower risk of hospitalization with the variant. ④ Nonetheless, January’s World Economic Forum in Davos has been canceled for a second year. It will now take place in early summer. ⑤ The Biden administration will get 4 million courses of Covid treatments by Jan. 31, including an antiviral from Pfizer that regulators just gave emergency authorization and…