| serological and bacteriological study of brucellosis in camels in central saudi arabia. | sera from 2,630 apparently normal adult camels (camelus dromedarius) raised in central saudi arabia (riyadh and al-kharj cities) were examined serologically by the rose bengal and standard united states of america brucella plate agglutination tests. the overall seroprevalence of brucellosis in the restricted populations of tested camels was 8%. the seroprevalence of brucellosis among camels raised in small numbers in the backyards of 24 houses in riyadh and those intensively raised on one large ... | 1992 | 1472730 |
| the spectrum of pneumonia in 1983 at the riyadh armed forces hospital. | the agents causing pneumonia have been assessed in 112 adult patients admitted to the armed forces hospital in riyadh during a period of one year: pathogens were identified in 78 patients (69.6%). sputum culture produced a significant isolate in 60 patients (53.5%), and in 17 (15.2%) the causative agent was suggested by serological tests. streptococcus pneumonia was the commonest infecting agent (21.4%). pneumonia due to mycobacterium tuberculosis was diagnosed in eight patients, to mycoplasma p ... | 1987 | 3819456 |
| brucellosis in riyadh, saudi arabia. a microbiological and clinical study. | during a period of two years, 30 cases of brucellosis were positively diagnosed from a total of 209 patients who reported with prolonged fever for investigation. diagnosis was made both by blood culture and serological tests. the latter included slide and tube agglutination in all cases and an enzyme linked immunosorbent assay (elisa) in 16. 11 cases (36.7%) gave negative results by the slide-agglutination screening test used at the recommended single serum dilution of 1:80. this was due to the ... | 1983 | 6665836 |