dr. hotez, stand by. i want to bring in dr. amy ray, with the hospital medical center. >> thank you for having me. >> thank you. four days without being tested, doctor. tell me how you respond to that, what concerns and questions are raised when you hear that? >> well, i think first and foremost, the ep deem logical history of the patient has to be obtained by the medical care providers. many hospitals in the united states have already taken care of ill travelers returning home from western africa, west africa, with fever, my hospital included. so the very first step is understanding where the patient has been, when they had traveled, when they returned and when they became symptom attic. i'm not aware of the details of this particular case in texas, but it's certainly not a surprise to me that a case has been diagnosed in the united states. >> dr. hotez, let me ask you this, they knew when he arrived in the united states that he had come from liberia. don't you think that they should have been more aggressive and harder when h