Abstract :
Hepatitis is one infectious disease that become a public health problem, which
influences on morbidity rate, mortality rate, public health status, life expectancy,
and other socioeconomic impact. The purpose of this research is to identify the
effect of counseling to improve knowledge of hepatitis A and B on tenth grade
student of state high school in Wonogiri. This research is pre experiment with pretest and post-test design. This research found result that before counseling
respondents are categorized as good are 36,89%, medium category 46,84%,
lacking category 16,28%, the result after counseling are 100% respondent have
knowledge in good category , so this research concludes that counselling have
significant effect to improve knowledge about hepatitis A and B on tenth grade
student of state high school in Wonogiri.