Updated tick-borne encephalitis (TBE) ‘green book’ chapter published
The TBE chapter of the 'green book' (Immunisation against infectious disease) has been updated
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)
Getting to grips with travellers' diarrhoea
A recording of this session is now available
NaTHNaC
Online RCN and NaTHNaC 9th Joint Travel Health Conference 2026
Registration for this event is open and the full programme is now available
NaTHNaC
Royal College of Nursing
Online 
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
Falsified rabies vaccine: Philippines
Falsified rabies vaccine is circulating through unauthorised sources in Philippines
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 guidelines for malaria prevention in travellers from the UK
UK Health Security Agency have published updated malaria guidelines for 2026
Chikungunya in Hong Kong
On 17 September 2026, a locally acquired case of chikungunya was reported. This is the first locally acquired case of chikungunya in Hong Kong in 2026. Please see our Topics in Brief article for further details on chikungunya.
Mpox in Estonia
In August 2026, one new clade I mpox case was reported in Estonia. This is the first case of clade I mpox in Estonia. Please see our Topics in Brief article for further details on mpox.
Mpox in Iceland
In August 2026, one new clade I mpox case was reported in Iceland. This is the first case of clade I mpox in Iceland. Please see our Topics in Brief article for further details on mpox.
Mpox in Malta
In August 2026, three new clade I mpox cases were reported in Malta. These are the first cases of clade I mpox in Malta. Please see our Topics in Brief article for further details on mpox.
Dengue in USA
Between 6 and 12 September 2026, 41 new cases of locally acquired dengue were reported in Florida, bringing the total for 2026 to 152. Please see our Topics in Brief article for further details on dengue.
Malaria in Germany
On 17 September 2026, one fatal case of malaria was reported in Schwanheim district, Frankfurt, Germany. The case was one of two cases of malaria, resident in the Schwanheim district. The case was believed to have been infected by a mosquito introduced from an endemic area by aircraft to Frankfurt Airport and neither worked at the airport or had recent travel history. The latest infections and death brings the total to eight infections and three fatal cases. Please see our Topics in Brief article for further details on malaria.
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 16 September 2026, a total of 92 locally acquired West Nile virus cases have been reported during 2026. For the first time human West Nile virus cases have been detected in the departments of Aude (Occitanie), Seine-et-Marne (Île-de-France), Drôme (Auvergne-Rhône-Alpes), Loire-Atlantique, Maine-et-Loire (Pays de la Loire), and Loiret (Centre-Val de Loire). Please see our Topics in Brief article for further details on West Nile virus.
Grand Bassa
Nimba
Lassa fever in Liberia
As of 30 August 2026, 33 cases (11 deaths) of Lassa fever have been reported since the start of the year. The outbreak remains active in Bong, Grand Bassa and Nimba counties. Please see our Topics in Brief article for further details on Lassa fever.
Legionnaires' disease in USA
As of 15 September 2026, 12 confirmed cases of Legionnaires' disease, including one death have been reported in a community cluster in Melrose and Morrisania neighbourhoods of South Bronx, New York City.
Usutu virus in Italy
As of 9 September 2026, a total of 12 Usutu virus cases have been reported in six regions of Italy during 2026. Of these, seven have been reported in Lombardy, and one case has been reported in each of Emilia-Romagna, Veneto, Marche, Lazio and Piedmont.
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