Programs / Award RA(HA)-05-68 · 1971–1973 · health systems, policy and finance
A DESCRIPTION OF A STUDY THAT COMPARED THE RESULTS OF IDENTIFYING TWO SPECIES OF MALARIA IN INFECTED HUMANS BY TWO DIFFERENT MEANS. ONE MEANS WAS THE INDIRECT FLUORESCENT ANTIBODY (IFA) TEST. THE OTHER MEANS WAS BY MICROSCOPIC DIAGNOSIS OF BLOOD FILMS. THE TWO METHODS WERE APPLIED TO THREE GROUPS OF HUMANS INFECTED BY MALARIA. ONE GROUP CONSISTED OF 120 PERSONS INFECTED WITH PLASMODIUM VIVAX. THE SECOND GROUP CONSISTED OF 79 SERVICEMEN WHO HAD ATTACKS OF VIVAX OR FALCIPARUM MALARIA AFTER RETURNING FROM VIETNAM. THE IFA TEST CORRECTLY IDENTIFIED THE PARASITE SPECIES IN 76.7% OF THE 159 PERSONS IN THE FIRST TWO GROUPS. THE BASIS FOR SPECIES IDENTIFICATION WAS A FOURFOLD OR GREATER DIFFERENCE IN TITERS. IN APPLICATION OF THE IFA TEST TO THE GROUP OF 79 SERVICEMEN, CORRECT IDENTIFICATION OF MALARIA SPECIES WAS OBTAINED IN 81% OF THE CASES WHEN THE TEST WAS MADE 0 TO 14 DAYS AFTER THE ONSET OF SYMPTOMS, AND IN 96.2% OF THE CASES WHEN THE TEST WAS MADE FROM 15 TO 60 DAYS AFTER THE ONSET OF SYMPTOMS. THE IFA TEST WAS UNRELIABLE FOR DETERMINING SPECIES WHEN TESTS WERE MADE OF SERUM SAMPLES TAKEN SIX MONTHS AFTER THE ONSET OF SYMPTOMS.
Source: DEC abstract, PN-AAC-628 (1971). The source's own text.
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| Name | Years | Basis | Evidence |
|---|---|---|---|
| PASA/RA(HA)-05-68 (pasa, fiscal year not recorded) | 1971 to 1973 | Stated in a document | 2 sources |
| Name | Years | Basis | Evidence |
|---|---|---|---|
| Centers for Disease Control (CDC) (U.S.) | 1971 to 1973 | Stated in a document |
| 2 sources |
Sector profile (computed): Health systems, policy and finance (general health) 64%; Malaria 13%; Transport infrastructure (roads, rail, air, water) 13%
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Program key awd:RA(HA)-05-68