Bee- and wasp-venom sensitization in schoolchildren of high- and low-socioeconomic status living in an urban area of Indonesia

Amaruddin, A.I.; Koopman, J.P.R.; Muhammad, M.; Versteeg, S.A.; Wahyuni, S.; Ree, R. van; Yazdanbakhsh, M.; Hamid, F.; Sartono, E.

doi:doi:10.1159/000516155

Background: There is not much known about venom allergy in tropical regions. Here, we studied the prevalence of specific IgE (sIgE) and skin prick test (SPT) reactivity and reported sting-related symptoms, in high- and low-socioeconomic status (SES) schoolchildren living in urban city of Makassar in Indonesia. Methods: Children from high- (n = 160) and low- (n = 165) SES schools were recruited. Standardized questionnaires were used to record information on allergic disorders as well as sting-related symptoms. Parasitic infection, SPT reactivity, and sIgE to Apis mellifera (bee-venom) as well as Vespula spp. (wasp-venom) were assessed. Results: SPT reactivity to bee- and wasp-venom was 14.3 and 12.7%, while the prevalence of sIgE was 26.5 and 28.5%, respectively. When SES was considered, prevalence of SPT to bee- and wasp-venom was higher in high-SES than in low-SES schoolchildren (bee: 22.8 vs. 5.7%, p < 0.001; and wasp: 19.6 vs. 5.7%, p < 0.001). Conversely, sIgE to both venoms was...Show moreBackground: There is not much known about venom allergy in tropical regions. Here, we studied the prevalence of specific IgE (sIgE) and skin prick test (SPT) reactivity and reported sting-related symptoms, in high- and low-socioeconomic status (SES) schoolchildren living in urban city of Makassar in Indonesia. Methods: Children from high- (n = 160) and low- (n = 165) SES schools were recruited. Standardized questionnaires were used to record information on allergic disorders as well as sting-related symptoms. Parasitic infection, SPT reactivity, and sIgE to Apis mellifera (bee-venom) as well as Vespula spp. (wasp-venom) were assessed. Results: SPT reactivity to bee- and wasp-venom was 14.3 and 12.7%, while the prevalence of sIgE was 26.5 and 28.5%, respectively. When SES was considered, prevalence of SPT to bee- and wasp-venom was higher in high-SES than in low-SES schoolchildren (bee: 22.8 vs. 5.7%, p < 0.001; and wasp: 19.6 vs. 5.7%, p < 0.001). Conversely, sIgE to both venoms was lower in high-SES than in low-SES (bee: 19 vs. 34%, p = 0.016; and wasp: 19 vs. 38%, p = 0.003). Furthermore, among SPT positive subjects, considerable proportion had no detectable sIgE to bee- (65.85%) or wasp-venom (66.67%). Altogether the sensitizations were rarely translated into clinical reaction, as only 1 child reported significant local reaction after being stung. No association with parasitic infections was found.Show less

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Bee- and wasp-venom sensitization in schoolchildren of high- and low-socioeconomic status living in an urban area of Indonesia