Now showing items 11-17 of 17
High mortality from respiratory failure secondary to swine-origin influenza a (h1n1) in south africa
Background: The novel influenza A (H1N1) pandemic affected South Africa late during the 2009 Southern hemisphere winter and placed an extra burden on a health care system already dealing with a high prevalence of chronic ...
Characterization of HIV type 1 genetic diversity among South African participants enrolled in the AIDS Vaccine Integrated Project (AVIP) Study
The genetic diversity of HIV-1 strains circulating among HIV-1-infected South Africans was investigated in a cohort of 420 individuals enrolled as part of the AIDS Vaccine Integrated Project (AVIP) study. Representative ...
Time to detection of the growth of Mycobacterium tuberculosis in MGIT 960 for determining the early bactericidal activity of antituberculosis agentsTime to detection of the growth of Mycobacterium tuberculosis in MGIT 960 for determining the early bactericidal activity of antituberculosis agents
Evaluation of early bactericidal activity (EBA) by the determination of a fall in viable colony-forming units (CFU) of Mycobacterium tuberculosis in sputum is a first step in the clinical study of new antituberculosis ...
Short communication: Simplified estimation of the long-term specificity of the BED assay to improve estimates of HIV incidence
The BED assay overestimates HIV incidence because a proportion, epsilon (ω), of chronically infected people test "false-recent." In the ZVITAMBO trial, 2796 postpartum women tested HIV positive at baseline and 5.1% tested ...
Molecular detection of mixed infections of Mycobacterium tuberculosis strains in sputum samples from patients in Karonga District, Malawi
The occurrence of mixed infections of Mycobacterium tuberculosis is no longer disputed. However, their frequency, and the impact they may have on our understanding of tuberculosis (TB) pathogenesis and epidemiology, remains ...
Age and the epidemiology and pathogenesis of tuberculosis
[No abstract available]
Effect of HIV infection status and Anti-retroviral treatment on quantitative and qualitative antibody responses to pneumococcal conjugate vaccine in infants
Serotype-specific antibody concentration and opsonophagocytic activity (OPA) were evaluated after 3 doses of pneumococcal conjugate vaccine. Groups included human immunodeficiency virus (HIV)-positive infants with CD4+ ...