https://travelhealthpro.org.uk/TravelHealthPro is the website comprising the travel health resources of the National Travel Health Network and Centre (NaTHNaC).https://agenciabrasil.ebc.com.br/saude/noticia/2026-05/estado-de-sp-confirma-mais-duas-mortes-por-febre-amarelaOn 14 May 2026, two deaths from yellow fever were reported in the Vale de Paraiba region of Sao Paolo state. This brings the total number of cases in the state during 2026 to nine, including five deaths. Please see our Topics in Brief article for further details on yellow fever.https://www.who.int/news/item/17-05-2026-epidemic-of-ebola-disease-in-the-democratic-republic-of-the-congo-and-uganda-determined-a-public-health-emergency-of-international-concernThe Director-General of the World Health Organization (WHO), has declared that the Ebola disease caused by Bundibugyo virus in the Democratic Republic of the Congo and Uganda constitutes a public health emergency of international concern (PHEIC). Two laboratory confirmed cases (including one death) with no apparent link to each other have been reported in Kampala, Uganda, within 24 hours of each other, on 15 and 16 May 2026, among two individuals travelling from the Democratic Republic of the Congo.https://www.who.int/news/item/17-05-2026-epidemic-of-ebola-disease-in-the-democratic-republic-of-the-congo-and-uganda-determined-a-public-health-emergency-of-international-concernThe Director-General of the World Health Organization (WHO), has declared that the Ebola disease caused by Bundibugyo virus in the Democratic Republic of the Congo and Uganda constitutes a public health emergency of international concern (PHEIC). As of 16 May 2026, eight laboratory-confirmed cases, 246 suspected cases and 80 suspected deaths have been reported in Ituri Province of the Democratic Republic of the Congo across at least three health zones, including Bunia, Rwampara and Mongbwalu.https://www.paho.org/en/documents/situation-report-2-measles-americas-regionAs of 7 May 2026, a total of 5,399 cases of measles have been reported in 2026. Please see our Topics in Brief article for further details on measles.https://www.paho.org/en/documents/situation-report-2-measles-americas-regionAs of 7 May 2026, a total of 10,049 cases of measles have been reported in 2026. Please see our Topics in Brief article for further details on measles.https://reliefweb.int/report/tonga/tonga-dengue-fever-outbreak-situation-report-16-5th-may-2026As of 5 May 2026, a total of 56 confirmed dengue cases have now been reported in Tonga. The highest number of cases have been reported from Tongatapu Island. Dengue virus serotype 2 (DENV-2) has been confirmed. Please see our Topics in Brief article for further details on dengue.https://x.com/WHO/status/2051952287245897925As of 6 May 2026, a total of eight hantavirus cases (three confirmed) associated with a cruise ship have now been reported by the World Health Organization. The type of virus in this outbreak has been confirmed as Andes hantavirus. Risk to the global population is low.https://mpox-monthly.ecdc.europa.eu/Between April 2025 and March 2026, one clade I mpox case was reported in Luxembourg. This is the first clade I mpox case reported in Luxembourg. Please see our Topics in Brief article for further details on mpox.https://www.cdc.gov.au/newsroom/news-and-articles/surveillance-works-finding-poliovirus-it-finds-usOn 1 May 2026, an environmental detection of circulating vaccine-derived poliovirus type 2 (cVDPV2) from a wastewater sample was reported in Perth, Western Australia. Please see our Topics in Brief article for further details on polio.https://www.ssi.dk/aktuelt/nyheder/2026/foerste-tilfaelde-af-lokal-smitte-med-mpox-variant-paavist-i-danmarkOn 27 April 2026, the number of confirmed clade Ib mpox cases in Denmark has increased to four. One case has reported no travel history abroad, indicating locally acquired infection. Please see our Topics in Brief article for further details on mpox.https://worldhealthorg.shinyapps.io/mpx_global/#sec-cladesOn 13 April 2026, the first detection of clade I mpox in Poland was confirmed. The clade subtype is unspecified. The case is an adult male who had a travel history to Slovakia. No onward transmission associated with this case has been reported. Please see our Topics in Brief article for further details on mpox.https://polioeradication.org/about-polio/polio-this-week/In the week ending 22 April 2026, one cVDPV2-positive environmental sample was reported from Southern Province, Malawi, collected on 19 February 2026. Please see our Topics in Brief article for further details on polio.https://www.paho.org/en/arbo-portal/dengue-data-and-analysis/dengue-analysis-countryAs of 29 March 2026, 1,009 cases of dengue fever have been reported in Martinique since the start of 2026. DENV3 has been recorded. Please see our Topics in Brief article for further details on dengue.https://www.facebook.com/photo/?fbid=1268347138819735&set=a.180006940987099As of 14 April 2026, 122 suspected mpox cases (25 confirmed) have been reported in Sindh Province. Cases have been reported from Khairpur district, Sukkur and Karachi. Nine deaths have been recorded and newborn babies have been amongst those affected. No further information regarding the clade is available at present. Please see our Topics in Brief article for further details on mpox.https://cdn.who.int/media/docs/default-source/searo/whe/wherepib/2026_08_searo_epi_bulletin.pdfAs of 15 April 2026, 1,908 cases of dengue have been reported in the Maldives since the start of 2026. This represents an increase compared to the same period in previous years. Cases has been recorded across all Atolls. Please see our Topics in Brief article for further details on dengue.https://polioeradication.org/about-polio/polio-this-week/As of 20 April 2026, two cVDPV1 cases were reported from the Upper Nile region. Onset of paralysis in both cases was February 2026. Please see our Topics in Brief article for further details on polio.https://www.ecdc.europa.eu/sites/default/files/documents/Communicable-disease-threats-report-week-16-2026.pdfBetween July 2025 and March 2026, 11 travel-associated cases of Zika virus disease have been reported in France linked to travel to Indonesia, including all four cases detected in early 2026. Most cases were associated with travel to Bali and neighbouring islands. Please see our Topics in Brief article for further details on Zika virus.https://www.paho.org/es/arbo-portal/arbo-portal-oropoucheAs of 19 March 2026, a total of 21 cases of Oropouche virus disease (OROV) were reported in Colombia during 2025. Please see our Topics in Brief article for further details on Oropouche virus disease.https://www.afro.who.int/countries/burundi/news/burundi-investigates-illness-has-caused-five-deathsAs of 11 April 2026, a total of 35 cases of an undiagnosed illness, including five deaths, have been reported in Mpanda district, in the north of Burundi. Symptoms include fever, abdominal pain, vomiting, diarrhoea, blood in urine and fatigue. Some severe cases have also presented with anaemia and jaundice. Currently, laboratory testing is negative for Ebola and Marburg virus diseases, Rift Valley fever, yellow fever and Crimean-Congo haemorrhagic fever. Investigations are ongoing.https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON597On 10 April 2026, the World Health Organization reported the first imported human case of avian influenza A(H9N2) in Italy. The case was in an adult returning from Senegal. This is also the first imported human case of avian influenza A(H9N2) reported in the European Region. Please see our Topics in Brief article for further details on avian influenza.