https://travelhealthpro.org.uk/TravelHealthPro is the website comprising the travel health resources of the National Travel Health Network and Centre (NaTHNaC).https://www.paho.org/en/documents/epidemiological-alert-diphtheria-americas-region-11-june-2026Between 1 January and 26 May 2026, 1,616 suspected cases of diphtheria have been reported in Haiti, of which 159 cases and 5 deaths were confirmed. Confirmed cases have been reported in all ten departments of the country. Please see our Topics in Brief article for further details on diphtheria.https://www.nmhealth.org/news/awareness/2026/6/?view=2344On 11 June 2026, the first fatal human case of plague for 2026 was reported in New Mexico. The case was detected in Santa Fe County. Please see our Topics in Brief article for further details on plague.https://www.health.wa.gov.au/Media-releases/2026/June/WA-community-warned-to-protect-against-mosquito-bites-following-fatalityOn 10 June 2026, local health authorities in Western Australia reported a death from Murray Valley encephalitis (MVE). The case was likely exposed in the West Kimberley region. Health surveillance programs continue to detect MVE activity across the Kimberley and Pilbara regions. Travellers should avoid mosquito bites.https://www.gov.br/saude/pt-br/composicao/svsa/cnie/painel-febre-amarelaAs of 1 June 2026, a total of 11 confirmed yellow fever cases, including six deaths, have been reported in Brazil for 2026. Most cases (nine) were reported in Sao Paulo state. Please see our Topics in Brief article for further details on yellow fever.https://www.who.int/emergencies/alert-and-responseAs of 6 June 2026, 19 confirmed cases of Ebola disease and two deaths have been reported in Uganda. Please see our Topics in Brief article for further details on Ebola disease.https://www.ecdc.europa.eu/en/publications-data/communicable-disease-threats-report-30-may-5-june-2026-week-23Since January 2026, and as of 21 May 2026, 171 cases of Plasmodium falciparum malaria have been reported in Mayotte. Of these, 97 cases were imported, 63 were suspected to be locally acquired, and 11 were of unknown origin. Please see our Topics in Brief article for further details on malaria.https://polioeradication.org/about-polio/polio-this-week/In the week ending 2 June 2026, one cVDPV2 case was reported from Malawi, with onset of paralysis on 22 December 2025. Please see our Topics in Brief article for further details on polio.https://www.afro.who.int/countries/liberia/news/who-supports-reactive-yellow-fever-vaccination-campaign-and-bundibugyo-virus-disease-bvdOn 5 June 2026, the World Health Organization reported that following a confirmed yellow fever case in Grand Cape Mount County, a reactive yellow fever vaccination campaign was conducted. Please see our Topics in Brief article for further details on yellow fever.https://www.gov.uk/government/publications/health-protection-report-volume-20-2026/hpr-volume-20-issue-5-news-28-may-2026#shigella-sonnei-and-non-typhoidal-salmonella-clusters-ex-cape-verde-second-updateAs of 4 June 2026, a total of 70 confirmed Salmonella cases were reported in travellers from England, Scotland and Wales who have visited Cape Verde since 1 October 2025. Please see UKHSA guidance for further information on Salmonella.https://www.aulss2.veneto.it/Caso-di-rabbia-canina-a-Vittorio-Veneto-avviate-le-indagini-epidemiologiche-Tutti-i-cani-e-i-gatti-dovranno-essere-vaccinatiOn 29 May 2026 health authorities reported detection of rabies in a dog in Vittorio Veneto, Italy. The dog had been imported illegally from Morocco. Authorities announced mandatory rabies vaccination for all dogs and cats in the municipality. Please see our Topics in Brief article for further details on rabies.https://polioeradication.org/about-polio/polio-this-week/As of 27 May 2026, one circulating vaccine-derived poliovirus type 1 (cVDPV1) case was reported in Madagascar, with onset of paralysis on 4 April 2026, from Sud-Ouest province. It is the first cVDPV1 case reported from the country since 2023 and is genetically linked to a virus detected in the country in 2022. Please see our Topics in Brief article for further details on polio.https://worldhealthorg.shinyapps.io/mpx_global/#key-figuresAs of 25 May 2026, three cases of clade Ib mpox have been reported in Colombia. Previous cases reported in Colombia have reported travel history to Spain and Belgium. Please see our Topics in Brief article for further information on mpox.https://worldhealthorg.shinyapps.io/mpx_global/#key-figuresAs of 25 May 2026, five cases of clade Ib mpox have been reported in Slovakia. These are the first reports of confirmed clade I mpox in Slovakia. On 13 April 2026, a case of clade I mpox in Poland was reported with travel history to Slovakia. Please see our Topics in Brief article for further information on mpox.https://id-info.jihs.go.jp/surveillance/idwr/diseases/measles/graph/2026/meas26-20.pdfAs of 20 May 2026, a total of 498 measles cases have been reported in Japan for 2026. Please see our Topics in Brief article for further details on measles.https://www.cdc.gov.au/resources/publications/diphtheria-australia-epidemiological-update-18-may-2026On 18 May 2026, the Australia Centre for Disease Control reported an increase in the number of diphtheria cases across Australia, with a total of 221 confirmed cases reported in 2026. The majority of cases have been reported in the Northern Territory (133 cases) and Western Australia (79 cases). Please see our Topics in Brief article for further details on diphtheria.https://x.com/DrTedros/status/2058128899461038213?s=20On 23 May 2026, the World Health Organization (WHO) reported three additional cases of Ebola disease (EBOD) caused by the Bundibugyo virus. This brings the total number reported in Uganda to five, with a health worker amongst those affected. Please see our Topics in Brief article for further details on Ebola disease.https://www.charite.de/en/service/press_reports/artikel/detail/charite_stellungnahme_zum_gesundheitszustand_des_an_ebola_erkrankten_patientenOn 22 May 2026, the Charite University Hospital in Berlin reported that a US citizen medically evacuated from the Democratic Republic of the Congo with Ebola disease, has tested positive for Bundibugyo virus. Please see our Topics in Brief article for further details on Ebola disease.https://govmu.org/EN/Pages/NewsDetails.aspx?n=Minister-Bachoo-calls-for-urgent-and-reinforced-action-against-Chikungunya-and-Leptospirosis.aspxOn 2 April 2026, the Ministry of Health and Wellbeing reported a significant increase in chikungunya cases. At the time, 105 active cases were reported, particularly in the regions of Rose-Hill, Quatre-Bornes, and Roches Brunes. On May 14, 2026 the US CDC issued a Travel Alert regarding an increased risk of chikungunya to travellers visiting Mauritius. Please see our Topics in Brief article for further details on chikungunya.https://www.cdc.gov.tw/Bulletin/Detail/LQD50YJwZzsM53SLFyd1rg?typeid=9On 19 May 2026, Taiwan reported the first imported case of clade Ib mpox. The case had visited Thailand and reported unsafe sexual activity. Please see our Topics in Brief for further details on mpox.https://territorystories.nt.gov.au/10070/1036919/0On 19 May 2026, local health authorities in the Northern Territory reported two deaths from Murray Valley encephalitis. Both cases were reported from Alice Springs, one in April and the other in May 2026. Travellers should avoid mosquito bites.