What is Mad Cow Disease and is it a threat to humans? Please explain why you think it is or is not. What are the federal and state governments doing to protect our blood supplies and food supplies (meat) from prions? Is it the responsibility of the blood banks and food companies to safeguard us our blood and food supplies? Is it the responsibility of the federal and/or state governments to safeguard us? If yes, explain why you think so. If no, what, if anything, should be done?