CMMB works in Peru to reduce infant mortality through community health programs. They conduct home visits and workshops to educate expectant mothers on nutrition, hygiene, and identifying childhood illnesses. Community health workers are trained to treat diseases and refer families to clinics following IMNCI guidelines. CMMB also implements school-based programs like deworming and handwashing to address prevalent issues and works with the Ministry of Health and other partners to help children in Peru.