billion at-home covid texts next week to help americans through the pandemic blizzard sweeping the land. but another storm is engulfing the centers for disease control facing sharp questioning over new guidelines for covid-weary americans. >> it really had a lot to do with what we thought people would be able to tolerate. >> reporter: recommendation of five instead of ten isolation days for those testing positive but showing no symptoms, then five days of masking, is aimed at keeping people working, but it's raising alarms, too. >> there is absolutely no data that i am aware of with the omicron. people coming out of isolation five days after they were first diagnosed with the virus. >> nothing in the guidelines mandates testing for these people and the administration has been harshly criticized for the current shortage of tests. so the lack of testing in the new recommendations is also drawing fire even as top health