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31 studies found for:    Open Studies | "Hemorrhagic Fevers, Viral"
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Rank Status Study
21 Unknown  Clinical Evaluation of Insect Repellent and Insecticide Treated Nets in Lao PDR
Conditions: Malaria;   Dengue;   Japanese Encephalitis
Interventions: Drug: 20% deet insect repellent;   Drug: placebo control
22 Recruiting An Epidemiological Surveillance Study to Evaluate the Incidence of Dengue in Brazil
Condition: Dengue
Interventions: Procedure: Blood sample collection;   Other: Data collection
23 Recruiting Phase II Trial to Evaluate Safety and Immunogenicity of a Dengue 1,2,3,4 (Attenuated) Vaccine
Condition: Dengue
Interventions: Biological: dengue lyophilized vaccine;   Biological: dengue liquid vaccine;   Other: Placebo
24 Recruiting Immune Responses to Yellow Fever Vaccine
Condition: Prior Receipt of Yellow Fever Vaccine
Intervention:
25 Unknown  Dengue Seroprevalence Study in Blood Donors in the French West Indies
Conditions: Blood Donors;   Dengue
Intervention: Other: Biological sample collection
26 Recruiting The Role of Pre-existing Cross-reactive Antibodies in Determining the Efficacy of Vaccination in Humans
Conditions: Yellow Fever;   Encephalitis, Japanese
Interventions: Biological: Japanese Encephalitis vaccine;   Biological: Yellow Fever vaccine
27 Recruiting Adult Dengue Platelet Study
Condition: Dengue Fever
Interventions: Procedure: Platelet transfusion;   Other: Supportive care
28 Recruiting Turnover of Antigen Specific Lymphocytes After Immunization With the Yellow Fever Vaccine
Condition: Yellow Fever
Interventions: Biological: Yellow fever vaccine;   Biological: Yellow fever vaccine and D20 water
29 Recruiting Human Immune Responses to The Yellow Fever Virus Vaccine
Condition: Yellow Fever
Intervention: Biological: Yellow fever vaccine
30 Recruiting Study to Determine the Safety, Tolerability and Pharmacokinetics of UV-4B Solution Administered Orally in Healthy Subjects
Condition: Dengue Fever
Interventions: Drug: UV-4B;   Drug: Placebo
31 Recruiting Safety, Tolerability, and Immunogenicity of the Ebola Chimpanzee Adenovirus Vector Vaccine (cAd3-EBO), VRC-EBOADC069-00-VP, in Healthy Adults
Condition: Healthy Adult Immune Responses to Vaccine
Interventions: Biological: VRC-EBOADC069-00-VP;   Biological: VRC-EBOADC076-00-VP

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Indicates status has not been verified in more than two years