In 2009–2010, the H1N1 episode occurred in a general context of decreasing public confidence in vaccination. We assumed opposition to vaccination in general to be an ‘unfounded fear’, reflecting ignorance and perceived vulnerability among low-socioeconomic status (SES) people, and...

The ANRS-EN12-VESPA 2003 survey interviewed a national, representative sample of the HIV-positive population attending hospital outpatient services. Conducting the survey in a hospital made it easier to identify and contact HIV-positive patients, but involved various biases : the role of the...

(1) To build a typology of persistent smokers’ reactions to increasing cigarette prices (persistent smokers were defined as smokers who did not quit because of such increases) and (2) to investigate which factors were correlated with their reactions (we considered three categories: no...

Nowadays, experts are often said to be affected with a generalized "risquophobia", by using the notion of risk in order to blame technical innovations and business spirit. But a historical and sociological appraisal of the notion of risk leads to radically different conclusions. Firstly, the...