Epidemiologist
CurrentEvaluation of the national efforts to prevent perinatal hepatitis B virus infection and subsequent chronic heptitis B diseaseCatch up hepatitis B vaccination among Asian and Pacific Islander school aged children born 1981-1991.Evaluate influenza vaccination effectivenss among children in three states. Adult vaccination assessment for states and the US.Influenza vaccination surveillance, states, USOriginate and oversee development and implementation of CDC's FluVaxViewOversee adaptation of CDC's use of medical claims data for near real time influenza vaccination uptake surveillance--states and USAuthor and co author, publish and present multiple public health vaccine and vaccination-related scientific peer reviewed papers.