Evaluation 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.

Directed and managed county public health teams of specialists including nurses, physicians, epidemiologists, and assistents conducting disease control efforts including Refugee Health, Immunization, Tuberculosis control, HIV/AIDS and STD Control and Prevention, Reportable communicable disease epidmiology--investigation and reporting, and Perinatal Heptitis B Prevention and Assessment.

Investigate outbreaks