from measles to mumps to polio to mersa, legionnaires disease. you think she's busy? she has provided terrific leadership lab b for health and surveillance initiative. she's a champion for prevention and control. it's a pleasure to have you. thank you. >> good morning, everybody. this morning, i had the opportunity to tour the exhibit at the smithsonian and it rea y reallies on the public health threats of today, thing that is the public is worried about now. but i think it's important to remember ma wha the public was worried about 100 years ago and this slide illustrates these diseases which were common 100 years ago and aren't now because of the success of imnation. it is one of f the public health success stories of our century and this just shows some of those diseases and the mortality before vags nation and after. even for diseases for which we have perhaps less than perfect control, we're still preventing 90% of the cases that occurred a century ago. that's a remarkable achief chiefment. here's another way to k loob at it. back in 1964, we could only vaccinate