نتایج جستجو برای: virus load
تعداد نتایج: 534487 فیلتر نتایج به سال:
Human immunodeficiency virus type 2 (HIV-2), the second human retrovirus known to cause AIDS, is endemic to West Africa but is infrequently found outside this region. We present a case series of 10 HIV-2--infected individuals treated in the United States. Physicians applied the principles of highly active antiretroviral therapy (HAART), normally used in treating HIV type 1, with modifications c...
Despite the recent approval of lamivudine for the treatment of children with chronic hepatitis B virus (HBV) infection, there is insufficient information on the kinetics of HBV clearance and the factors that predict a favorable treatment response to lamivudine in this population. In a small retrospective study of 16 HBV-infected children treated with lamivudine, we examined changes in virus loa...
Mycobacterium avium is the most frequent cause of disseminated bacterial infection in patients with human immunodeficiency virus type 1 infection and in rhesus macaques with simian immunodeficiency virus (SIV) infection. This animal model of AIDS was used to test the hypothesis that this frequent association is the result of reciprocal enhancement of replication of both microorganisms. The repl...
To determine whether 2 readily available indicators predicted survival among patients with Ebola virus disease in Sierra Leone, we evaluated information for 216 of the 227 patients in Bo District during a 4-month period. The indicators were time from symptom onset to healthcare facility admission and quantitative real-time reverse transcription PCR cycle threshold (Ct), a surrogate for viral lo...
To clarify the frequency and prognostic significance of a plasma human immunodeficiency virus (HIV) RNA load below the detection threshold during the natural history of infection, an ultrasensitive assay was used to identify persons with low virus loads in a cohort of 111 untreated subjects with a known date of seroconversion. Six persons had HIV RNA loads <40 viral copies (VC)/mL during the fi...
The development of resistant hepatitis B virus (HBV) strains during lamivudine treatment has been described repeatedly. To investigate whether the development of such resistant HBV strains can be predicted in an early phase of therapy, the HBV loads of 11 renal transplantation patients were screened at 3-month intervals by a quantitative HBV polymerase chain reaction (PCR) assay. Lamivudine res...
Cobalamins are stored in high concentrations in the human liver and thus are available to participate in the regulation of hepatotropic virus functions. We show that cyanocobalamin (vitamin B12) inhibited the HCV internal ribosome entry site (IRES)-dependent translation of a reporter gene in vitro in a dose-dependent manner without significantly affecting the cap-dependent mechanism. Vitamin B1...
Plasma levels of human immunodeficiency virus type 1 (HIV-1) RNA and markers of immune activation were compared among HIV-1-infected female sex workers (FSWs) with (n=112) and without (n=88) sexually transmitted diseases (STDs) in Abidjan, Côte d'Ivoire. After adjustment for CD4+ T cells, the median virus load was 2.5-fold higher among HIV-seropositive FSWs with STDs than among those without an...
The immunogenicity and tolerability of hepatitis A virus vaccine was evaluated in a group of 32 children with human immunodeficiency virus (HIV) infection and 27 children with seroreversion. After 2 doses of vaccine, 100% of children experienced seroconversion with good toleration of the vaccine. There were no differences in variation of virus load between immunized HIV-positive children and a ...
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