Countries: Chad, Sudan Source: International Medical Corps Please refer to the attached file. FAST FACTS• Since July 13, 35 cases of acute watery diarrhea with vomiting have been reported at the International Medical Corpssupported health center at Dougui refugee camp, which houses approximately 20,000 refugees in eastern Chad. Four patients have died. One of three samples collected tested positive for cholera using rapid diagnostic tests. The samples have been sent to Ndjamena for confirmatory PCR testing.• There has been an active cholera outbreak in Sudan since May, increasing the risk of spread to Chad due to the daily influx of Sudanese refugees and Chadian returnees. WHO and Chadian health authorities have urged enhanced surveillance and detection efforts in Chad.• International Medical Corps has a history of operating in Ouaddai province in eastern Chad since 2004.• Our current activities include providing emergency lifesaving primary healthcare; maternal and child health services; mental health and psychosocial support; food security and livelihoods; and nutrition services.OUR RESPONSE• International Medical Corps has established a 30-bed isolation area and provided treatment to 31 patients experiencing acute diarrhea with vomiting.• We are supporting sample collection for testing and conducting contact tracing at the community level. Community health workers are engaged in awareness raising and active case surveillance. We have collected samples from patients and sent them for cholera testing.