Polio outbreak in Algeria: epidemiological, virological and vaccinational aspects.

During a poliomyelitis outbreak (October 1983) in El Oued territory (Algeria) 28 cases were diagnosed. All the patients were under 4 years old. The ratio of females to males was 0.

[Epidemiology of bacillary dysentery in Algeria. II. The seasonality of dysentery].

Morbidity rises during the period of summer and autumn are characteristic of bacterial dysentery in Algeria. During the last 18 years no essential changes in the seasonal character of bacterial dysentery were observed in the country taken as a whole. However, in different climatic and geographical zones of the country the seasonal character of dysentery greatly varies from one zone to another and essentially differs from the seasonal character of dysentery morbidity, typical of the country as a whole for many years.

[Epidemiology of bacillary dysentery in Algeria. I. The epidemiological aspects of dysentery in Algeria].

Bacterial dysentery plays an important role among infectious diseases in Algeria. A tendency to the growth of the morbidity rate has been observed. Dysentery is irregularly spread in different zones of the country.

[A new focus of urinary bilharziasis in Algeria].

In 1976, 161 new cases of urinary bilharziasis were discovered in El Harrach, which until then had been free of the disease. The authors point out the dangers of the disease spreading in view of the presence of Bulinus in Algeria outside the normal foci of bilharziasis.