[Air pollution in urban area in Cotonou and Lokossa, Benin].

In some African countries, time of clean environment with no air pollution belongs to the past. From now on, pollution is a problem of public heath in addition to malnutrition and infectious diseases still badly controlled. The sanitary consequences induced by pollution is now a cause for concern in the population.

[Epidemiological aspects of snakebites in Benin].

Among rural environmental health emergencies, snakebite was common in villages community and agriculture activities. Their frequency and fatal complication depend on the venomous character of the species and the lack of early treatment. The aim of this work was to describe some epidemiological aspects of the snakebites and to suggest preventive strategies to avoid complication.

[Contact eczema and allergens: an analysis of the preliminary results of patch tests in the Dermatology Service of the National Hospital and University Center in Cotonou].

About a preliminary study of patch-test in 39 cases of contact dermatitis with allergens of international Contact Dermatitis Research (ICDRG), the authors noted 27 (69.2%) positive patch-tests. Men are frequently exposed to formaldehyde and dichromate potassium.

[Prevalence of induced abortions and family planning in Benin].

Objective: Our purpose was to determine the extent of induced abortion as a practice of family planning.

Study Design: Benin regional public and private records from 1990 to 1994 were used to examine frequencies of induced abortion and contraceptive utilization and describe trends. Descriptive statistics such as variation coefficient and chi 2 were use to compare inter-regional prevalence.

[Low levels of chloroquine resistance of Plasmodium falciparum in the province of Zou in Benin].

An in vivo test using the WHO protocol (chloroquine 25 mg/kg within 3 days, trial over 7 days) was performed in 72 children in the province of Zou, Benin, in July-August 1987. The blood concentration of chloroquine was dosed before, during and after treatment by a sensitive method. This study showed a low rate of drug resistance (4.