EXCAM is a Bill & Melinda Gates Foundation-funded study that will be run congruently with CAGED in rural Eastern Ethiopia. Study participants in this cross-sectional study will  be recruited from CAGED  participants  at the time of enrollment.The  study aims to systemically examine Campylobacter exposure pathways and infection among infants. Extensive behavioral observations, contact sampling, and Campylobacter detection methods will be utilized to quantify exposure and risk assessment between Campylobacter and various potential routes of exposure. More details coming soon.