single day last winter. the risk remains the highest in the nation's capital. 900% spike in two weeks as the cdc recommends isolation time be cut in half from 10 days to five. critics accuse the administration of not following the science and instead are following the business. to the delight of millions in the country. cdc director explained the new guidance on isolation is the limit on what most people can kol rate. no testing requirements to return to work. airline and nurses unions are protesting the move. the rapid tests might not tell the whole story. >> the tests that are used, the antigen tests don't really have a good predictive value as to whether or not you are transmitting. >> not all states plan to follow the new cdc guidance. michigan's department of health issued a statement saying it won't be adopting the new shortened quarantine isolation time for now. >> benjamin: thanks for that.