Bacterial resistance to antibiotics is a growing concern in Europe, vaccination coverage is inadequate, and young adults, who are the highest antibiotic consumers, have the lowest level of knowledge. Extension of the e-Bug project, a European educational school programme concerning microbes, antibiotics and vaccination, to 15-18-year-olds implies the development of educational resources based on social marketing to promote sustainable behavioural changes. The objectives of the present study, which is part of the needs assessment in France, are to explore the attitudes, knowledge and behaviour of 15-18-year-olds concerning antibiotics and vaccination and their health education needs.

Individual semi-structured interviews were conducted using purposeful sampling of 15- to 18-year-olds, until data saturation, and were transcribed and analysed.

Inclusion Criteria:

• 15-18 year olds, various origines, studying in various pathways of higher secondary education or working.

Exclusion Criteria:

-

The recrutement and the conversations were realized on a voluntary basis in the crossroads health young people of Nice, structure dedicated to the grown-up young adolescentset from 12 to 25 years old.