studied estimated for two people wearing cloth masks, it can take about a half hour to spread the virus from one infected person to an uninfected person in the same room. if they are both wearing surgical masks, it can take about an hour. and if they re both wearing n95 masks, it can take about 25 hours to cause an infection. higher grade masks are really going to protect people, because they not only hav a moree a bet but they also have a better filtration device. and they have an electrostatic potential to actually repel away the virus. super important there. stephanie back with us. i know the white house promised to send out a half billion rapid test kits to homes across the country starting in january. we keep tracking this. it s now january 10th and we re learning this is still weeks away? reporter: yes, david. the first tests will be sent out at the end of january, but by the time all 500 million tests are sent out, the omicron peak