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A pluridisciplinary team of researchers of Institut Pasteur in Dakar and ORSTOM is doing a comparative study of malarial infection in two villages in Senegal : Dielmo and Ndiop. These villages have been chosen because of the presence of the disease, permanent in the first village, seasonal in the second, and also because the population has agreed to cooperate in this research project. The scientists have arranged a program for monitoring each individual in the population on a day-by-day basis…

Presentation of the researches and the accomplished progresses about the trisomy 21, a chromosomal anomaly, which affects one person on 700 at birth.

One French on five suffers from allergies, that is to say asthma, urticaria, hay fever or also edema. Allergic people are real sentinels who give in permanence the measure of the attacks on the environment.

Cerebral strokes which suddenly occur are the third death cause in the developed countries. Every year 100 000 new cases are counted in France. This disease affects especially the elderly but also the young people.

Researchers at INSERM describe their works on the skin. They study the functions of the various cells which constitute the dermis and the epidermis : Langershans cells, keratinocytes, melanocytes. The aim of these researchs is to be able to regenerate the skin after an injury. For doing this, they must understand adhesion between dermis and epidermis and the rebuilding mechanism of the epidermis. In laboratories, cultures of cells are used to regenerate the skin of badly burnt patients.