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
Updated tick-borne encephalitis (TBE) ‘green book’ chapter published
The TBE chapter of the 'green book' (Immunisation against infectious disease) has been updated
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
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.
Lassa fever in Sierra Leone
The World Health Organisation reported that on 3 March 2026, a 36-year-old pregnant woman died in Bonthe District, Sierra Leone, after testing positive for Lassa fever. The last Lassa fever outbreak in Sierra Leone was reported in February 2025. Please see our Topics in Brief article for further details on Lassa fever.
Mpox in Ireland
As of 28 August 2026, a total of 24 clade Ib mpox cases have been reported in Ireland since January 2024. Please see our Topics in Brief article for further details on mpox.
North Kivu
South Kivu
Bas-Uele
Tshopo
Haut-Uele
Sud-Ubangi
Ebola disease in DRC
As of 6 September 2026, a total of 7,200 confirmed Ebola disease (Bundibugyo virus) cases and 3,475 confirmed deaths have now been reported across seven provinces in the Democratic Republic of the Congo: 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 Italy
As of 10 September 2026, a total of 590 locally acquired human cases of West Nile virus have been reported in Italy during 2026. Please see our Topics in Brief article for further details on West Nile virus.
Occitanie
Île-de-France
Chikungunya in France
As of 9 September 2026, a total of 57 locally acquired chikungunya cases have been reported during 2026 in Tarn, Lot (Occitanie), Gironde (Nouvelle-Aquitaine) and Val-de-Marne (Île-de-France) in France. Please see our Topics in Brief article for further details on chikungunya.
West Nile virus in Greece
As of 10 September 2026, a total of 319 locally acquired human cases (of which nine had an unknown place of infection) of West Nile virus have been reported in Greece during 2026. Please see our Topics in Brief article for further details on West Nile virus.
West Nile virus in Spain
As of 10 September 2026, 104 cases of locally acquired West Nile virus have been reported in Spain, in five areas. Please see our Topics in Brief article for further details on West Nile virus.
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