Baseline characteristics of the study cohort by age group.

a–Data available for 177 subjects. b–All subjects were asymptomatic at enrollment. c–Data available for 154 subjects; GI = gastrointestinal. d–Data available for 148 subjects. e–Nightly bednet use self-reported at the end of the malaria season.a–177名受试者可获取相关数据。 b–所有受试者在入组时均无临床症状。 c–154名受试者可获取相关数据；GI（gastrointestinal，胃肠道）。 d–148名受试者可获取相关数据。 e–在疟疾季结束时自我报告的夜间蚊帐使用情况。