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[Randomization of a population for a clinical trial of immunization against the human immunodeficiency virus (HIV)]
L Dechazal1, B Goussard, J J Salaun
1Médecin Chef de l'A.M.T. Française, Kinshasa, Zaïre.
Serum HIV antibodies has been investigated in different subpopulation from four different regions in Zäire by Elisa (Elavia Pasteur) and Western Blot. Seropositive prevalence differed from 2.4% (rural population) to 12.5% (urban population) according to the regions. When the group with 2.4% migrated to the area with 12.5% positives, after 8-12 months the number of seropositives in this group raised to 8%, showing an increase of 5.6% within one year. Such population is suitable for a large scale clinical trial (with anti-AIDS vaccine) to be performed on individuals with high risk of natural infection.
Serum HIV antibodies has been investigated in different subpopulation from four different regions in Zäire by Elisa (Elavia Pasteur) and Western Blot. Seropositive prevalence differed from 2.4% (rural population) to 12.5% (urban population) according to the regions. When the group with 2.4% migrated to the area with 12.5% positives, after 8-12 months the number of seropositives in this group raised to 8%, showing an increase of 5.6% within one year. Such population is suitable for a large scale clinical trial (with anti-AIDS vaccine) to be performed on individuals with high risk of natural infection.