Regional Differences in the Estimation of Influenza Burden in the Elderly: Does Choice of Population Denominator Matter? • Steven A. Cohen, Johns Hopkins Bloomberg School of Public Health ; Imran Oomer, Tufts University ; Elena Naumova, Tufts University

Content Analysis of Questions Regarding Disabilities in the 65 Years and Older Population in the Census 2000, the Puerto Rico Community Survey 2006 and the Puerto Rican Elderly Health Conditions 2003 • Miguel A Cortés-Santiago, University of Puerto Rico ; Roberto R Marrero-Cases, University of Puerto Rico ; Jonathan Jorge Morales-Gonzalez, University of Puerto Rico ; Ana Luisa Davila, University of Puerto Rico ; Marta Bustillo, University of Puerto Rico

U.S. Immigration in the Rear View Mirror • John Pitkin, Analysis and Forecasting, Inc.

Spatial and Multinomial Analysis of Later-Life Migration into Florida • Andy Sharma, University of North Carolina at Chapel Hill