Haiti is reporting new cholera cases nearly 15 years after the experienced a cholera outbreak that infected over 820,000 people and killed over 10,000.

Farhan Haq, the deputy spokesman for the United Nations Secretary-General said more than 900 suspected cases and four confirmed cases have been recorded nationwide since the beginning of this year.

He added that the deteriorating security situation hinders access for response efforts and raises concerns about undetected community transmission.

Haq said Haiti’s government and the World Health Organization are jointly responding to the outbreak by providing medicine and medical supplies and setting up rehydration and chlorination points.