Sensitization to Blomia tropicalis and Dermatophagoides pteronyssinus-A Comparative Study between Singapore

It is well established that house dust mite allergy is associ ated with the increasing prevalence of allergic diseases. I The domestic mites of the families Pyroglyphidae and Glycyphagidae are the main sources of house dust allergens worldwide. 1-4 Epidemiological stud ies clearly indicated that Dermato phagoides pteronyssinus (Dp) and Blomia tropicalis (Bt) mites from the Pyroglyphidae and Glycy phagidae, respectively, are the most common mite species in the trop ical and sub-tropical regions of th