Haemophilus influenzae type b conjugate vaccine-induced immunological memory in symptomatic HIV-1-infected children

Autor: Vana G Papaevangelou, Glykeria Mostrou, Vana I. Spoulou, Maria Theodoridou, Dimitris L. Tsoumas
Rok vydání: 2003
Předmět:
Zdroj: AIDS (London, England). 17(9)
ISSN: 0269-9370
Popis: Haemophilus influenzae type b (Hib) conjugate vaccine-induced immunological memory was evaluated in all Greek symptomatic HIV-1-infected children. Patients had significantly lower anti-Hib polysaccharide IgG levels at one month, compared with controls [geometric mean concentration (μg/ml) 4.4 versus 41.24, P < 0.001]. Avidity declined post-vaccination and remained low thereafter. A second booster 18 months later failed to increase the concentration and avidity of polyribosylribitol phosphate. Immunological memory is impaired among symptomatic children and cannot be restored by repeated immunizations.
Databáze: OpenAIRE