A group of 13 Sudanese who had fled the war in Khartoum have been hospitalised following a cholera outbreak in northern Uganda's Adjumani district.
Four of them are confirmed to have cholera, local health official Henry Lulu confirmed.
Officials now plan to track down the estimated 82 people who came into contact with them for follow-up testing.
Cholera is a waterborne disease which causes severe diarrhoea, dehydration, lethargy and an erratic heartbeat. It can be fatal within hours of infection.
Uganda's latest wave of deadly cholera outbreaks began last July. Sudan declared numerous cholera outbreaks from last September onwards.
Zimbabwe, Mozambique and Zambia are also fighting cholera.