contacts have been contacted and all close contacts thus far have tested negative. that revelation coming ahead of president biden announcing his enhanced winter strategy to fight covid-19. in just a few hours from now, the president will outline those measures specifically. they re expected to include stricter testing for passengers arriing to the u.s. from overseas. and extending federal mask mandates. we have mike memoli, antonio hilton, jacob ward and dr. ashish jha. and ashley parker joins us. mr. memoli, what are we going to hear from the president? reporter: steph, obviously the emergence of the omicron variant has raised the sort of covid spechter higher on the agd but the plans the president is