Serological screenings of various infectious diseases on the Cape Verde Islands (West Africa).

General screening investigations with various antigens were carried out with a view to further specific investigations being carried out on the Cape Verde Islands concerning infectious diseases. Serological positive reactions were found in Mumps, Adeno, PLT, Cytomegaly, Herpes, Para-influenza 1, 2, 3, Influenza A and B, Mycoplasmosis, RS-Virus, Gonorrhoea, Hepatitis A and B, R. conori, Malaria, Syphilis, Brucella abortus, Brucella melitensis, Varicella, Legionella, Picornavirus, Measles, German Measles, Listeriosis, Toxoplasmosis and Amoebic dysentery.

A comparison of serological tests for the detection of HIV-antibodies. The clinical and serological course of one AIDS patient with seroconversion.

240 serum samples originating from various AIDS risk groups were tested for HIV-antibodies comparing an immunofluorescence test with the Western Blot and ELISA methods. In 95% of cases the results of the Western Blot and the immunofluorescence test were in accordance. In 12 samples the immunofluorescence test yielded positive results whereas there was no reaction in the Western Blot.

Serological examination for HIV-I antibodies in Nicaragua, Columbia and El Salvador.

22 of 182 sera samples from Nicaragua, 6 of 111 samples from Columbia, and 25 of 388 samples from El Salvador were positive in the ELISA test. 37 of the 53 positive sera samples were positive again in a further ELISA test, and 1 of them was positive in the IFT and Western Blot test.

Serological examinations of HIV-I virus in Sudan.

1614 blood samples from men and women in the Upper Nile region, Melut district (southern Sudan) were examined for HIV-antibodies. 109 samples were positive twice in the ELISA test, and 18 (1.1%) were confirmed by the IFT and Western Blot test.