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Patients treated with chemotherapy have an impaired response to influenza virus vaccination compared to healthy controls. Little is known about the broadness of the antibody response in these patients.Breast cancer patients on FEC (5-fluorouracil, epirubicin and cyclophosphamide) chemotherapy regimens were vaccinated with influenza virus vaccine. Sera were obtained before and three weeks after vaccination...
Higher rates of hospitalization and mortality are described in oncology patients with influenza virus infection compared to the general population. Yearly influenza vaccination is recommended for patients treated with chemotherapy. The optimal moment to administer the vaccine during a treatment cycle has not been studied extensively.During the influenza season 2011–2012 we conducted a multicenter...
Vitamin D skews the immune system towards a more tolerogenic state. Therefore, a relatively high vitamin D status, i.e., within the normal physiological range, might result in a lower antibody response to infection and vaccination. We hypothesized, however, that vitamin D is primarily important in establishing immune homeostasis, implying that a relatively high vitamin D status would not hamper an...
We determined the immunogenicity of conjugated Haemophilus influenzae type b and pneumococcal vaccines by quantitative analysis of the antibody response in asplenic patients. To that end, we vaccinated 92 patients with a conjugated Hib vaccine and 54 received two doses of conjugated pneumococcal vaccine (PCV7), followed at six months by a plain polysaccharide pneumococcal vaccine (PPV23). Antibody...
The purpose of this study was to determine the quantity and quality of antibodies against the meningococcal serogroup C (MenC) conjugated vaccine in asplenic patients. In 116 asplenic patients, antibody concentrations (IgG) were measured against meningococcal serogroup C before and after immunisation. Of MenC-specific IgG, both antibody avidity and subclasses of IgG1 and IgG2 were determined. The...
To evaluate the current practice to prevent infections in patients with an absent or dysfunctional spleen in a part of the Netherlands. To measure serum antibody levels against Streptococcus pneumoniae and Haemophilus influenzae type b.Observational study of vaccination coverage by analysis of questionnaires and serum antibody levels.Primary care practices in the Utrecht area of the Netherlands, catchment...
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