all new infections. a study out of south africa today shows the variant appears to be more resistant to two doses of the pfizer vaccine, knocking down efficacy against hospitalization to 70% and against infection to 33%. but if authorized by the f.d.a., a new treatment pill could be available this month. this pill can reduce approximately nine out of 10 hospitalizations. it s very, very sensitive, omicron, to this antiviral. so spectacular results. reporter: today, dr. anthony fauci said omicron will dominate the u.s. because of its rapid growth. the n.f.l. is tackling covid spread, mandating boosters for coaches and some team employees. this comes after 65 players across the league tested positive in the last two days. to come back here a year later and be in this room, it s just really surreal, and i ve just been so great will. reporter: it was one year ago today in this room that