An asymptomatic infection with normal IgE levels and with normal eosinophil counts was described in 27 cases (15.2%).
An asymptomatic infection with normal IgE levels and eosinophilia (absolute or relative) was found in 21 cases (11.8%).
An asymptomatic infection with increased IgE levels and without eosinophilia (any type) was present in 18 cases (10.1%).