boosters to go indoors. requiring boosters. it's what is going to really impact the spread and we're back to the same all the way back in march 2020. i'd like to reckon flatten the curve. we're not at square one. we need to flatten the curve. this virus is is hyper transmissible and really spreading quickly. >> great to have your insight. and thank you for your time. really appreciate it. >> thank you. u.s. defense secretary has tested positive for covid-19. austin made the announcement on sunday. saying he did have mild symptoms on home on leave. his immediate staff have started contact tracing. president biden who he last met with before christmas. after testing negative. the defense chief says he's fully vaccinated and received a