Vibrio cholerae is a facultative pathogen that has an environmental reservoir in aquatic ecosystems and a pathogenic phase in the human small intestine. It produces cholera toxin in the small ...

Les vaccins permettent de se prémunir contre certaines pathologies. Il s’agit d’un moyen éprouvé pour renforcer son système ...

La science fourmille d’exemples où imprévus et erreurs se sont finalement transformés en grandes avancées. De quelle façon ?

Cholera was a disease that spread through towns and cities in 19th-century England. It was caused by contaminated water or food. Edwin Chadwick was a lawyer who wanted to reform the conditions poor ...

The summer of 1858 was warm and dry. As a result, the water level of the River Thames dropped. This meant the sewage and waste that were being dumped in the river were no longer being quickly washed ...