This study has been planned in order to determinate the frequency of the infection by VIH among the 394 new tuberculous, for a period extended from July 1990 to July 1991 at the section of pneumophtisiology in the National Hospital of Niamey. The number of seropositives is 7.6%. The two types of viruses, i.e. VIH1 and VIH2, and the double infection by VIH1 + VIH2 types exist in the tuberculous patients. The VIH1 is most frequently found in the subjects of age group 20-39 years, who are almost emigrants. Inspite of the actual weak sero-prevalency among the tuberculous patients, the authors claim that a sero-epidemiological sequential survey of tuberculosis in Niamey can be a relatively easy method for measuring the variations of sero-prevalency of AIDS in Niger.
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