This will just take a second.
Continue to https://www.cdc.gov/mmwr/volumes/70/wr/pdfs/mm7013e3-H.pdf?ACSTrackingID=USCDC_921-DM53321&ACSTrackingLabel=MMWR%20Early%20Release%20-%20Vol.%2070%2C%20March%2029%2C%202021&deliveryName=USCDC_921-DM53321