Travel health alerts
Disease outbreak alerts for Nigeria
4 outbreaks reported for Nigeria
Last checked against TravelHealthPro on 2026-08-23.
Lassa fever
Reported 24 July 2026Reduce your risk while travelling
As of 12 July 2026, a total of 963 confirmed Lassa fever cases, with 6,554 suspected, six probable cases and 229 deaths, have been reported across 23 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.
Cholera
Reported 24 June 2026Spread through contaminated food and water
Between 1 May 2026 and 18 June 2026, a total of 13,234 cases of cholera (108 deaths) have been reported across 17 local government areas in Borno State.
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.
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?
Our travel health team will confirm exactly which vaccines and precautions are right for your trip in one short consultation.
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.