The Dominican Republic has detected its first case of cholera, following the outbreak of the disease in neighbouring Haiti last month.
It says the patient is a Haitian migrant who had recently returned from his homeland.
Dominican Republic authorities have stepped up border controls and health checks to try to keep the cholera at bay.
More than 1,000 Haitians have died of the disease, which is now present in all 10 of Haiti's provinces.
The worst-affected area remains the central province of Artibonite, where at least 629 people have died.
Thirty-eight deaths have been recorded in the capital, Port-au-Prince, most of them in the slum district of Cite Soleil.
Cholera causes diarrhoea and vomiting, leading to severe dehydration. It can kill quickly, but is treated easily through rehydration and antibiotics.