Travel health alerts
Disease outbreak alerts for Nigeria
5 outbreaks reported for Nigeria
Last checked against TravelHealthPro on 2026-10-18.
Cholera
Reported 08 October 2026Spread through contaminated food and water
As of 7 October 2026, a total of 68,152 suspected cholera cases and 394 deaths have been reported in Borno State since this outbreak began in May 2026. All 22 local government areas in Borno have now reported cases.
There's a vaccine for this
Stick to safe water and well-cooked food, wash hands often — an oral vaccine is available for higher-risk trips.
Diphtheria
Reported 30 September 2026Spread person-to-person through the air
Between 1 January and 23 August 2026, a total of 16,997 cases of diphtheria and 596 deaths have been reported. Most cases have been reported from Kano, Bauchi, Katsina, Borno and Sokoto states.
There's a vaccine for this
Make sure your tetanus/diphtheria/polio booster is up to date, and avoid close contact with anyone who's unwell.
Lassa fever
Reported 03 September 2026Reduce your risk while travelling
As of 23 August 2026, a total of 1,056 confirmed Lassa fever cases, with 7,580 suspected cases, six probable cases and 253 deaths, have been reported across 24 states in Nigeria for 2026.
No vaccine — how to stay safe
Avoid rodents and store food securely; keep away from anyone who is seriously unwell.
Dengue
Reported 07 July 2026Spread by mosquito bites
As of June 2026, a total of 95 (nine confirmed) dengue cases have been reported in Nigeria for 2026.
There's a vaccine for this
Spread by daytime-biting mosquitoes. Use a DEET repellent, cover up, and stay somewhere with screens or air-conditioning.
cVDPV3
Reported 09 March 2026Spread through contaminated food and water
As of 4 March 2026, a case of circulating vaccine-derived poliovirus type 3 (cVDPV3) has been reported with an onset of paralysis reported on 3 January 2026. Five cases of cVDPV3 were reported in Nigeria during 2025.
There's a vaccine for this
Make sure your polio booster is up to date — some affected countries also require proof of recent vaccination to leave.
Travelling to Nigeria?
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Contains public sector information from TravelHealthPro (NaTHNaC), licensed under the Open Government Licence v3.0. © UK Health Security Agency. Open Government Licence v3.0. This page is general guidance, not medical advice — confirm what you need for your trip with our travel health team.