U.S. slashed vaccine numbers for several states due to confusion over FDA requirement CNBC 12/20/2020 Emma Newburger Officials with Operation Warp Speed slashed the number of expected doses to several states due to confusion over the FDA's certificate of analysis requirement for vaccine rounds. The federal government's error disrupted vaccination distribution plans in at least 14 states and frustrated governors and state health officials. Operation Warp Speed has allocated 2 million Pfizer vaccine doses for next week's shipment. The U.S. shipped 2.9 million doses last week. ...