At the time of Wednesday’s announc

ement out of Guinea that seven of nine missing Ebola workers had been found dead, we knew little. Men with knives had abducted members of a group sent there to spread awareness about the disease. Two relief workers were missing; the rest, dead. Six suspects were in custody.

By Friday morning, we knew more. These details, the stuff of horror films. A local government group of relief workers—a mix of doctors, religious leaders, and journalists—had arrived Monday to educate the remote southeastern village of Womey about Ebola. Just 24 hours after their arrival, violence broke out, allegedly sparked by the false belief that a disinfectant being sprayed was actually the disease itself. An angry mob brandishing machetes, stones, and knives lashed out.

Published on Aug. 28, 2014

An outbreak of the Ebola virus in West Africa could amount to 20,000 cases, the World Health organisation says (Centres for Disease Control and Prevention/PA) 

Certains individus mal intentionnés n’ont aucun mal à transformer un morceau de craie, un peu de farine ou d’amidon en un comprimé ou une pilule. Difficile de dire à l’œil nu s’il s’agit d’un « faux ». L’étiquetage et l’emballage sont souvent imités à la perfection. Le commerce mondial de médicaments de contrefaçon, qui pèse un milliard de dollars, se porte bien en Afrique. Les médicaments contrefaits et de mauvaise qualité inondent les marchés. Se rendre à la pharmacie, c’est un peu jouer à la roulette russe. Choisir la mauvaise boîte peut vous coûter la vie.

En Afrique, selon l’Organisation mondiale de la santé (OMS), près de 100 000 décès par...