THE Nigeria Centre for Disease Control and Prevention has placed 10 states on high alert following forecasts of heavy rainfall and possible flooding, warning that the affected regions face an increased risk of disease outbreaks, particularly cholera.
In a statement sent to News Point Nigeria on Wednesday, the agency’s Director-General, Jide Idris, said projections from the Federal Ministry of Environment and the Nigerian Meteorological Agency indicate that parts of Adamawa State, Enugu State, Kaduna State, Kogi State, Niger State, Osun State, Oyo State, Plateau State, Taraba State, and Kwara State are expected to experience intense rainfall between April 13 and 17, 2026.
Idris noted that the warning comes at a critical period in Nigeria’s public health calendar, as the country enters the seasonal window when cholera cases historically surge, with early surveillance data already indicating a rise in infections across several states. He warned that the convergence of heavy rainfall and flooding could accelerate the spread of the disease.
“These forecasts are particularly concerning because they coincide with the period when cholera transmission typically accelerates. Flooding can contaminate water sources and disrupt sanitation systems, creating conditions for rapid spread,” he said.
Historical data from past outbreaks show that flood-prone states often record spikes in cholera cases during the rainy season, especially in communities with limited access to potable water and poor waste management systems. In recent years, thousands of suspected cases have been recorded annually during peak transmission periods, with fatalities largely linked to delayed treatment and weak healthcare infrastructure.
Beyond cholera, the NCDC warned that the affected states also face heightened risks of other diarrhoeal diseases and mosquito-borne infections such as malaria, which remains endemic and continues to impose a heavy disease burden nationwide.
“Floodwaters not only increase exposure to pathogens but also create breeding sites for mosquitoes, raising the risk of malaria and other infections,” Idris added.
He further cautioned that residents in the affected areas may face additional hazards, including injuries such as drowning and snakebites, as well as disruptions in access to healthcare services, particularly in rural and underserved communities.
Despite these risks, the NCDC boss emphasised that the looming health crisis can be mitigated through early action and adherence to preventive measures. He urged residents to ensure access to safe water, maintain proper hygiene, avoid contact with floodwaters, and seek prompt medical attention if symptoms arise.
Idris also called on community leaders and local authorities to intensify environmental sanitation efforts, including clearing blocked drainage systems and promoting hygiene awareness at the grassroots level.
“Community-level action is critical. Early reporting of suspected cases and dissemination of accurate health information will go a long way in preventing outbreaks,” he said.
On preparedness, he disclosed that the NCDC is working closely with state ministries of health to strengthen surveillance, improve readiness, and support rapid response mechanisms in high-risk areas. He added that state governments have been advised to activate multisectoral emergency frameworks, particularly in water, sanitation, and hygiene services.
Nigeria’s recurring pattern of seasonal flooding continues to pose serious public health challenges, driven by climate variability, rapid urbanisation, and inadequate drainage infrastructure.
As heavy rains loom over the identified regions, health authorities stress that vigilance, early intervention, and community cooperation will be crucial in preventing avoidable illness and deaths.