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Geohelminth infections are associated with modulation of immunity to parasite antigens and aeroallergens. To investigate the possibility that this modulation is affected by anthelmintic treatment, we compared cytokine responses in children who were treated with repeated doses of albendazole over 1 year versus those in children who had were not treated. Wholeblood samples were cultured with Ascaris antigen and house dust mite and cockroach allergens, and levels of interleukin (IL)-5, IL-13, interferon-γ, and IL-10 were measured. Anthelmintic treatment was associated with enhanced production of Th2cytokines in response to parasite antigen but did not affect responses to aeroallergens. The data indicate that long-term treatment may be associated with increased Th2 antiparasite immunity. [ABSTRACT FROM AUTHOR]

Studies the vibriocidal antibody response to the oral cholera vaccine in children infected with Ascaris lumbricoides as well as the effect of albendazole pretreatment on the postvaccination response. Greater postvaccination rates of seroconversion in the treatment group that received albendazole; Greater rates of seroconversion and mean titer observed in the albendazole groupin subjects with non-O ABO blood groups.