A study of lichens in the Côtes d'Armor region has revealed that lichen flora has adapted to the presence of nitrogen compounds (ammonia) in the atmosphere. Since ammonia is known to be...

Shigella are Enterobacteria comprising four different species, including Shigella sonnei. Their reservoir is strictly human, and transmission occurs via the fecal-oral route. They are...

The hamlet of Rochefort, in the municipality of Andouillé (Mayenne), is built around a former asbestos processing plant that operated until 1952. On the industrial site, which has been...

The resurgence of risky behavior regarding HIV and STDs among gay men, observed both abroad and in France, has led to the expansion of the system for studying and monitoring preventive...

An analysis of activity data from the CDAGs in 1998 and 1999 revealed an increase in the proportion of positive HIV diagnoses in the Île-de-France region. In light of these results, the...

The introduction of the hepatitis A virus into a population of non-immune young adults, whose sexual practices facilitate fecal-oral transmission of the virus, represents a situation...

Between January 21 and February 16, 2000, the occurrence of three cases of meningococcal meningitis of the antigenic serotype B:15: P1-7, 16 and one suspected case in a town of 12,000...

Venereal syphilis, which has been on the decline for twenty years in developed countries, has reached low incidence rates of less than 5 per 100,000. Some of these countries, including...

On Thursday, October 18, 2001, the school physician at the Lycée professionnel de l'Aa in Saint-Omer reported an outbreak of allergic-type symptoms to the Departmental Directorate of...

Venereal syphilis, which has been on the decline for the past twenty years in developed countries, has reached low incidence rates of less than 5 per 100,000. Some of these countries,...