National Institute of Allergy and Infectious Diseases director Dr. Anthony Fauci said Friday on CNBC’s “Squawk Box” that COVID protocols may become “more restrictive” with the Omicron variant. Host Andrew Ross Sorkin said, “As you know, we are in holiday season there are parties. You talked about getting together with your family during the holidays. You recommended testing and the like. At what point would you reassess that?” Fauci said, “You’ve got to just take things one step at a time and take a look at how things evolve. I mean, obviously, if you are vaccinated, your family’s vaccinated, you...