BEACON Disease Event Digest: Week of May 11th to May 17th
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This digest highlights the latest events and signals submitted to the BEACON platform—a global system for tracking and analyzing emerging biological threats. Stay informed with real-time updates from around the world, curated to help you monitor developments affecting human, animal, and environmental health.

Hantavirus, international waters

Sun May 17th 2026      16 reports (7 new)

- 2026-05-17 - 17 May 2026 update on ANDV (hantavirus) outbreak, MV Hondius: Canada confirms infection in provisionally positive cruise ship passenger

- 2026-05-16 - 16 May 2026 update on ANDV (hantavirus) outbreak, MV Hondius: Canadian passenger tests presumptively positive; 2023 study shows Andes virus RNA can persist in semen for years

- 2026-05-15 - 15 May 2026 update on ANDV (hantavirus) outbreak, MV Hondius: No new confirmed cases; epidemiological investigations continue

- 2026-05-14 - 14 May 2026 update on ANDV (hantavirus) outbreak, MV Hondius: No new confirmed cases; international monitoring and epidemiological investigation ongoing

- 2026-05-13 - 13 May 2026 update on ANDV (hantavirus) outbreak, MV Hondius: Confirmed cases limited to passengers and crew; international contact tracing continues

- 2026-05-12 - Update on the Andes virus (hantavirus) outbreak aboard the MV Hondius cruise ship: 11 confirmed and probable cases reported across multiple countries following repatriation; international contact tracing and quarantine measures continue amid ongoing monitoring of dispersed passengers and crew

- 2026-05-11 - Update on the Andes virus (hantavirus) outbreak aboard the MV Hondius cruise ship: Multiple positive cases reported among disembarked cruise ship passengers; international contact tracing continues; multiple viral genomes sequenced

Avian influenza, Peru

Sun May 17th 2026      4 reports (2 new)

- 2026-05-17 - First detection of low pathogenicity avian influenza H9N2 in lesser rhea during a June–July 2025 outbreak in Puno, Peru

- 2026-05-13 - Outbreaks of avian influenza detected in backyard birds in Lambayeque Region, Peru

Marine toxin poisoning, Vanuatu

Sun May 17th 2026      3 reports (1 new)

- 2026-05-17 - Ciguatera fish poisoning cases increase to 173 across 10 islands in Vanuatu; ongoing public health advisories and international travel notifications

Bundibugyo ebolavirus disease, Democratic Republic of Congo and Uganda

Sun May 17th 2026      4 reports (4 new)

- 2026-05-17 - Update on Bundibugyo ebolavirus disease outbreak: WHO declares PHEIC following cross-border spread to Uganda and ongoing transmission in Ituri Province, DRC

- 2026-05-16 - Update on Bundibugyo ebolavirus disease outbreak in DRC: 246 suspected cases and up to 80 suspected deaths reported in Ituri Province; regional response intensified

- 2026-05-15 - Bundibugyo ebolavirus case imported from DRC reported in a deceased patient in Kampala, Uganda

- 2026-05-15 - Africa CDC: Ebola outbreak in Ituri Province, DRC; 246 suspected cases and 65 suspected deaths; initial sequencing indicates non-Zaire species

Measles, Sierra Leone

Sun May 17th 2026      1 report (1 new)

- 2026-05-17 - Measles outbreak in Sierra Leone increases to 41 cases in eight districts; 75% national test positivity rate suggests higher number of undiagnosed cases

Rat hepatitis E virus, Hong Kong

Sun May 17th 2026      1 report (1 new)

- 2026-05-17 - First case of rat hepatitis E virus in Hong Kong in 2026, detected in a man with chronic liver disease

Legionellosis, Canada

Sun May 17th 2026      6 reports (1 new)

- 2026-05-17 - Legionellosis cluster reported in Hamilton, Canada, with 20 hospitalizations; source unidentified

Q fever, Republic of Moldova

Sat May 16th 2026      1 report (1 new)

- 2026-05-16 - Moldova reports eight Q fever cases with no epidemiological links over one month

Foot and mouth disease, Republic of Cyprus

Sat May 16th 2026      13 reports (1 new)

- 2026-05-16 - Foot and mouth disease (FMD) SAT1 outbreak in the Republic of Cyprus reaches 116 farms, with major agricultural and economic impact

Ebola virus disease, Democratic Republic of the Congo

Sat May 16th 2026      17 reports (2 new)

- 2026-05-16 - Update on Bundibugyo ebolavirus disease outbreak in DRC: 246 suspected cases and up to 80 suspected deaths reported in Ituri Province; regional response intensified

- 2026-05-15 - Africa CDC: Ebola outbreak in Ituri Province, DRC; 246 suspected cases and 65 suspected deaths; initial sequencing indicates non-Zaire species

Dengue, Wallis and Futuna

Sat May 16th 2026      2 reports (1 new)

- 2026-05-16 - Autochthonous cluster of dengue cases reported on Alofi Island, Futuna, after the April 2026 detection of the first autochthonous case

Diphtheria, Australia

Sat May 16th 2026      3 reports (1 new)

- 2026-05-16 - First reported death from diphtheria in Australia in almost a decade, amid a further increase in cases across four jurisdictions

Amatoxin poisoning, USA

Sat May 16th 2026      4 reports (1 new)

- 2026-05-16 - Seasonal wild mushroom poisonings (amatoxin) in California, USA, increase to 49 cases, with four deaths and four patients requiring liver transplants

Mpox, USA

Sat May 16th 2026      10 reports (1 new)

- 2026-05-16 - First travel-related mpox clade l case confirmed in Connecticut, USA

Avian influenza, Europe

Sat May 16th 2026      7 reports (1 new)

- 2026-05-16 - Persistent HPAI (H5) transmission across Europe raises concern despite declining trends in several countries

Hand, foot, and mouth disease, Viet Nam

Fri May 15th 2026      4 reports (1 new)

- 2026-05-15 - Hand, foot, and mouth disease cases in Ho Chi Minh City, Viet Nam, exceed 15 000; enterovirus A71 raises concern about severe neurological complications

Influenza, USA

Fri May 15th 2026      4 reports (1 new)

- 2026-05-15 - Two human influenza A(H1N2) variant cases reported in USA during the 2025–2026 season; most recent case reported in Nebraska

Invasive meningococcal disease, UK

Fri May 15th 2026      7 reports (1 new)

- 2026-05-15 - UK Health Security Agency reports a cluster of three cases of meningitis B, including one death, in Reading, England

Rift Valley fever, Malawi

Fri May 15th 2026      1 report (1 new)

- 2026-05-15 - Request for information (RFI): Rift Valley fever confirmed in livestock in Chiradzulu District, Malawi; suspected spread to Mulanje District

Measles, Guatemala

Fri May 15th 2026      5 reports (1 new)

- 2026-05-15 - Guatemala reports 13 275 measles cases and 10 deaths, with sustained nationwide transmission; mass vaccination response activities continue

Crimean-Congo hemorrhagic fever, Iraq

Thu May 14th 2026      8 reports (1 new)

- 2026-05-14 - Iraq reports 48 confirmed human Crimean-Congo hemorrhagic fever (CCHF) cases and four deaths since the start of the year

Malaria, Mayotte

Thu May 14th 2026      2 reports (1 new)

- 2026-05-14 - Suspected autochthonous malaria focus identified in Chirongui, Mayotte, amid rising case counts

Leptospirosis, Malaysia

Thu May 14th 2026      1 report (1 new)

- 2026-05-14 - Suspected leptospirosis cluster linked to Ulu Bendul Recreational Park in Negeri Sembilan, Malaysia

Newcastle disease, Spain

Thu May 14th 2026      5 reports (1 new)

- 2026-05-14 - Tenth outbreak of Newcastle disease confirmed in laying hens in Valencia, Spain; new breakthrough in a vaccinated flock

Hantavirus, Chile

Thu May 14th 2026      9 reports (1 new)

- 2026-05-14 - Elevated Hantavirus (Andes virus) case fatality rate reported in Chile during the 2026 season; 41 cases and 14 deaths reported as of 09 May 2026

Norovirus, France

Thu May 14th 2026      4 reports (1 new)

- 2026-05-14 - Norovirus outbreak aboard cruise ship in France with 50 affected passengers

Dengue, Honduras

Wed May 13th 2026      2 reports (1 new)

- 2026-05-13 - Uptick in dengue cases in Honduras ahead of the rainy season

Meningococcal disease, Mongolia

Wed May 13th 2026      1 report (1 new)

- 2026-05-13 - Request for information (RFI): Seven cases of meningococcal meningitis and three deaths reported in Mongolia. RFI on meningococcal serogroup(s)

Lassa fever, Nigeria

Wed May 13th 2026      20 reports (1 new)

- 2026-05-13 - Lassa fever case fatality rate in Nigeria reaches 25.2%, exceeding prior seasonal peaks, with 190 deaths reported January through April 2026

African swine fever, Spain

Wed May 13th 2026      22 reports (1 new)

- 2026-05-13 - African swine fever, wild boar: 49 outbreaks and 306 cases in Barcelona metropolitan area; no domestic pig infections detected in Catalonia, Spain

Measles, Japan

Tue May 12th 2026      4 reports (1 new)

- 2026-05-12 - Measles resurgence in Japan approaches a decade-high (436 cases as of 30 Apr 2026); approximately 74% autochthonous

Avian influenza, China

Tue May 12th 2026      8 reports (1 new)

- 2026-05-12 - Fatal human case of avian influenza A(H5N6) in Chongqing Municipality, China, associated with poultry exposure

Foodborne illness, Tunisia

Tue May 12th 2026      1 report (1 new)

- 2026-05-12 - Request for information (RFI): Foodborne illness event linked to a restaurant in Nabeul, Tunisia, with more than 100 cases. RFI on diagnostic test results

Hepatitis A, Canada

Tue May 12th 2026      1 report (1 new)

- 2026-05-12 - Hepatitis A outbreak in Manitoba, Canada, with 601 cases, 133 hospitalizations, and three deaths since April 2025

Viral meningitis, Sri Lanka

Tue May 12th 2026      1 report (1 new)

- 2026-05-12 - Request for information (RFI): Suspected enterovirus meningitis cluster among school-aged children in Sri Lanka, with 45–50 cases. RFI on actual case numbers, laboratory confirmation, clinical management, and epidemiological investigation findings

Newcastle disease, Latvia

Tue May 12th 2026      1 report (1 new)

- 2026-05-12 - Newcastle disease detected at a backyard farm in Kalēti Parish, South Kurzeme Municipality, Latvia, signals sustained European circulation

Foot and mouth disease, Greece

Mon May 11th 2026      5 reports (1 new)

- 2026-05-11 - Foot and mouth disease (FMD) SAT1: 76 farms affected and approximately 30 000 animals culled in Lesvos, Greece, as of 07 May 2026

Measles, Bangladesh

Mon May 11th 2026      6 reports (1 new)

- 2026-05-11 - Suspected measles cases in Bangladesh exceed 50 000; confirmed cases surpass 6900, with 350 suspected deaths

Zika virus disease, Indonesia

Mon May 11th 2026      1 report (1 new)

Pigeon paramyxovirus type 1 encephalitis, France

Mon May 11th 2026      1 report (1 new)

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