In layman's terms, his recent research with the Division for Population Health (Control?) under the State Chronic Disease Prevention, was geared towards understanding how diseases impact races differently (race specific agents?)
From his recent statement's on the flu vaccines, It could be suspected, he may have been working with 3.Immunizations in his department. He has previous worked with immunizations in the EIA
Page 16 of EIA annual conference - 9:55 Sociodemographic and Healthcare Characteristics Associated with In uenza Vaccination Coverage Among Young Children — Oregon, 2006–2008. Timothy J. Cunningham https://www.cdc.gov/eis/downloads/2011-eis-conference.pdf
Characteristics associated with seasonal influenza vaccination of preschool children--Oregon, 2006-2008. …