Natural hazards and health risks
Advice for travellers visiting areas affected by natural hazards
Getting to grips with travellers' diarrhoea
A recording of this session is now available
NaTHNaC
Online 
Updated dengue 'green book' chapter published
The dengue chapter of the 'green book' (Immunisation against infectious disease) has been updated
Polio: Public Health Emergency of International Concern
An update on the polio Public Health Emergency of International Concern (PHEIC)
Telephone advice line for health professionals: change to opening hours
The advice line opening hours will change from 7 September 2026
Ebola disease in DRC and Uganda
Case numbers continue to rise in the Democratic Republic of the Congo; this is now the country's largest recorded outbreak and remains a public health emergency of international concern
Mefloquine shortage
Shortage of 250mg mefloquine (Lariam) antimalarial tablets in the United Kingdom (UK) continues
Cyclospora and summer travel
A reminder about Cyclospora infection and how to reduce your risk
Changes to NaTHNaC telephone contact numbers
Our Advice Line and General Enquiries telephone number change has been deferred to Autumn 2026
Updated tick-borne encephalitis (TBE) ‘green book’ chapter published
The TBE chapter of the 'green book' (Immunisation against infectious disease) has been updated
Diphtheria in Senegal
As of 13 August 2026, a total of 13 cases of diphtheria and two deaths have been reported. Please see our Topics in Brief article for further details on diphtheria.
Borno
Kano
Katsina
Sokoto
Diphtheria in Nigeria
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. Please see our Topics in Brief article for further details on diphtheria.
Occitanie
Île-de-France
Provence Alpes-Côte d’Azur
Chikungunya in France
As of 28 September 2026, 125 locally acquired cases of chikungunya have been identified in France, in Tarn, Lot, Gard (Occitanie), Gironde, Landes (Nouvelle-Aquitaine), Val-de-Marne (Ile-de-France) and Var (Provence-Alpes-Cote d'Azur). Please see our Topics in Brief article for further details on chikungunya.
North Kivu
South Kivu
Bas-Uele
Tshopo
Haut-Uele
Sud-Ubangi
Ebola disease in DRC
As of 26 September 2026, 8,067 confirmed Ebola disease (Bundibugyo virus) cases and 3,901 deaths have been reported in seven provinces: Ituri, North Kivu, South Kivu, Tshopo, Haut-Uele, Bas-Uele and South Ubangi. Please see our Topics in Brief article for further details on Ebola disease.
West Nile virus in Kosovo
In 2026, up to 23 September, two locally acquired human cases of West Nile virus have been reported in Kosovo, in two areas. Please see our Topics in Brief article for further details on West Nile virus.
West Nile virus in North Macedonia
In 2026, up to 23 September, 69 locally acquired human cases of West Nile virus have been reported in North Macedonia, in five areas. Please see our Topics in Brief article for further details on West Nile virus.
West Nile virus in Romania
In 2026, up to 23 September, 91 locally acquired human cases of West Nile virus have been reported in Romania, across 22 areas. Please see our Topics in Brief article for further details on West Nile virus.
Occitanie
Île-de-France
Auvergne-Rhône Alpes
Provence Alpes-Côte d’Azur
Pays de la Loire
Centre-Val de Loire
West Nile virus in France
As of 21 September 2026, 117 autochthonous cases of West Nile virus have been recorded in Provence-Alpes-Cote d'Azur, Occitanie, Ile-de-France, Auvergne-Rhone-Alpes, Nouvelle-Aquitaine, Pays de la Loire and Centre-Val de Loire. Please see our Topics in Brief article for further details on West Nile virus.
Leipzig
Rhein-Pfalz-Kreis
West Nile virus in Germany
In 2026, up to 23 September, four locally acquired human cases of West Nile virus have been reported in Germany. Cases have been reported from Berlin, Leipzig Kreisfreie Stadt and Rhein-Pfalz-Kreis. Please see our Topics in Brief article for further details on West Nile virus.
Overijssel
South Holland
Utrecht
North Holland
Gelderland
West Nile virus in Netherlands
In 2026, up to 23 September, 44 cases of West Nile virus, including 5 deaths, have been reported in the Netherlands. Cases have been reported from South Holland, Utrecht, North Holland, North Brabant, Gelderland and Overijssel provinces. Please see our Topics in Brief article for further details on West Nile virus.
The Yellow Fever Zone
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Travellers in Scotland
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Travellers based in Scotland should check the NHS inform website for further information on accessing travel health services. |
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Clinical and administrative resources for health professionals and other staff responsible for administering yellow fever vaccine and for those managing a YFVC
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