BEACON Disease Event Digest: Week of July 20th to July 26th
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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.

Measles, Kazakhstan

Sun Jul 26th 2026      7 reports (1 new)

- 2026-07-26 - Measles outbreak in Pavlodar, Kazakhstan with 398 confirmed cases— fourfold case increase driven by rising vaccine refusals

Hepatitis A, Brazil

Sun Jul 26th 2026      2 reports (1 new)

- 2026-07-26 - Hepatitis A cases in São Paulo State, Brazil, exceed the 2025 total, with 1953 cases and two deaths reported in 2026

Chikungunya, French Guiana

Sun Jul 26th 2026      6 reports (1 new)

- 2026-07-26 - Chikungunya transmission in French Guiana reaches 1157 confirmed cases and 210 hospitalizations as geographic spread continues

African swine fever, Croatia

Sun Jul 26th 2026      2 reports (1 new)

- 2026-07-26 - Outbreaks of African swine fever escalating in domestic pigs and wild boars in Osijek-Baranja and Virovitica-Podravina counties, Croatia

Lassa fever, Nigeria

Sun Jul 26th 2026      23 reports (1 new)

- 2026-07-26 - Lassa fever across 23 states in Nigeria with renewed transmission surge; 963 confirmed cases, 229 deaths, and CFR exceeding 23%

Avian influenza, Australia

Sun Jul 26th 2026      11 reports (2 new)

- 2026-07-26 - First national HPAI (H5N1) incursion in wild seabirds reaches Queensland; 20 detections across four Australian states

- 2026-07-20 - Australia reports 17 detections of HPAI (H5N1) in wild seabirds across three states, with ongoing risk to poultry sector

Malaria, Angola

Sat Jul 25th 2026      1 report (1 new)

- 2026-07-25 - Malaria cases and deaths in Malanje Province, Angola, increase in the first half of 2026, with children under five most affected

Cyclosporiasis, USA

Sat Jul 25th 2026      8 reports (2 new)

- 2026-07-25 - Multiple independent cyclosporiasis outbreaks in the USA linked to iceberg lettuce and fresh herbs; over 4100 confirmed cases in 41 states

- 2026-07-21 - US FDA reclassifies Cyclospora lettuce test result as false positive; Taylor Farms remains implicated

Hantavirus, Ukraine

Sat Jul 25th 2026      1 report (1 new)

- 2026-07-25 - Case of hantavirus hemorrhagic fever with renal syndrome (HFRS) with unresolved multi-country exposure history in Lviv Oblast, Ukraine

Salmonellosis, USA

Sat Jul 25th 2026      29 reports (1 new)

- 2026-07-25 - Salmonella Enteritidis outbreak across 17 US states linked to recalled shell eggs; ciprofloxacin-nonsusceptible strain

Mumps, Azerbaijan

Sat Jul 25th 2026      1 report (1 new)

- 2026-07-25 - RFI: Unconfirmed social media rumors of an increase in mumps cases in Baku, Azerbaijan. RFI on case numbers

Undiagnosed event, Armenia

Fri Jul 24th 2026      2 reports (1 new)

- 2026-07-24 - RFI: Waterborne outbreak linked to coliform-contaminated drinking water with 60 people affected in Byureghavan, Kotayk Province, Armenia

Dengue, Bangladesh

Fri Jul 24th 2026      10 reports (1 new)

- 2026-07-24 - Dengue transmission in Bangladesh intensifies in July, with cumulative cases exceeding 12 600 and deaths rising to 40

Cholera, Nigeria

Fri Jul 24th 2026      7 reports (1 new)

- 2026-07-24 - Over 35 500 suspected cholera cases and 198 deaths in Borno State, Nigeria, amid pressure on treatment facilities

Avian influenza, Ecuador

Fri Jul 24th 2026      1 report (1 new)

- 2026-07-24 - HPAI (H5N1) detected in a Peruvian pelican (Pelecanus thagus) on Isla Puná, Guayas Province, Ecuador

Bundibugyo virus disease, Democratic Republic of the Congo, Uganda, France

Thu Jul 23rd 2026      41 reports (1 new)

- 2026-07-23 - 23 Jul 2026 – Bundibugyo virus disease: Unprecedented outbreak surpasses 1000 deaths amid containment failure in DRC

Leptospirosis, Philippines

Thu Jul 23rd 2026      4 reports (1 new)

- 2026-07-23 - Leptospirosis increasing in the Philippines, with 69 cases and eight deaths during the 2026 rainy season

COVID-19, Taiwan

Thu Jul 23rd 2026      2 reports (1 new)

- 2026-07-23 - Taiwan enters a new COVID-19 epidemic phase after 4766 healthcare visits, with 25 severe cases and five deaths reported

Legionellosis, USA

Thu Jul 23rd 2026      26 reports (1 new)

- 2026-07-23 - Community cluster of Legionnaires’ disease in New York City, USA: Cases increase to 84; five deaths reported

Chikungunya, Costa Rica

Thu Jul 23rd 2026      4 reports (1 new)

- 2026-07-23 - Confirmed chikungunya cases in Costa Rica increase to 47, with local transmission in two provinces; US CDC issues Level 2 travel notice

Influenza, China and Hong Kong

Thu Jul 23rd 2026      3 reports (1 new)

- 2026-07-23 - First human infection with influenza A(H1N2)v in Yunnan, China, in January 2026; sporadic swine-origin zoonotic spillover

New World screwworm (Cochliomyia hominivorax), Americas

Thu Jul 23rd 2026      31 reports (1 new)

- 2026-07-23 - Nationwide livestock outbreak of New World screwworm in Mexico with USA border spread; 34 166 animal and over 500 human cases

Trichinellosis, Argentina

Wed Jul 22nd 2026      1 report (1 new)

- 2026-07-22 - Trichinellosis focal cluster of 25 cases in Lincoln, Buenos Aires Province, Argentina, linked to a single butcher shop

Foodborne illness, Kazakhstan

Wed Jul 22nd 2026      1 report (1 new)

- 2026-07-22 - S. aureus and E. coli identified in restaurant outbreak in Aktobe, Kazakhstan, with 113 cases, including 16 children

West Nile virus, Spain

Wed Jul 22nd 2026      2 reports (1 new)

- 2026-07-22 - Escalating vector activity and two confirmed human cases of West Nile virus (WNV) in 11 municipalities in Seville province, Andalusia, Spain

Dengue, France

Wed Jul 22nd 2026      2 reports (1 new)

- 2026-07-22 - Mainland France reports its first two autochthonous dengue cases of 2026 in Tarn and Hérault departments, Occitanie

Crimean-Congo hemorrhagic fever, Afghanistan

Wed Jul 22nd 2026      2 reports (1 new)

- 2026-07-22 - Sharp national surge in Crimean-Congo hemorrhagic fever (CCHF) in Afghanistan, linked to livestock exposure during Eid al-Adha

Malaria, Germany

Tue Jul 21st 2026      1 report (1 new)

- 2026-07-21 - Malaria cluster among baggage handlers at Frankfurt Airport, Germany; four cases linked to imported Anopheles mosquito

Hantavirus, Venezuela

Tue Jul 21st 2026      1 report (1 new)

- 2026-07-21 - RFI: Three confirmed hantavirus cardiopulmonary syndrome deaths in Anzoátegui and two unexplained physician deaths in Barinas, Venezuela

Waterborne illness, North Macedonia

Tue Jul 21st 2026      1 report (1 new)

- 2026-07-21 - RFI: Point-source waterborne epidemic declared in North Macedonia; over 3000 cases, fecal contamination of water supply. RFI on lab results

Dengue, Mexico

Tue Jul 21st 2026      3 reports (1 new)

- 2026-07-21 - Dengue on the rise in Mexico, with 3174 cases and seven deaths across five states as the rainy season peak approaches

Avian influenza, Togo

Tue Jul 21st 2026      1 report (1 new)

- 2026-07-21 - Multi-prefecture poultry outbreak of HPAI H5N1 (clade 2.3.4.4b) with zoonotic spillover risk in Maritime Region, Togo

Measles, Malawi

Tue Jul 21st 2026      1 report (1 new)

- 2026-07-21 - Measles outbreak in Nsanje District, Malawi reaches 188 suspected cases and one death, with reported links to Mozambique

African swine fever, Serbia

Tue Jul 21st 2026      1 report (1 new)

- 2026-07-21 - Multi-regional spread of African swine fever in Serbia, with over 20 000 pigs culled and state of emergency declared

Mpox, Australia

Mon Jul 20th 2026      3 reports (1 new)

- 2026-07-20 - Year-to-date cases of mpox (clade llb) in Western Australia surpass full-year 2025 total amid demographic broadening

Salmonellosis, Russian Federation

Mon Jul 20th 2026      4 reports (1 new)

- 2026-07-20 - Point-source salmonellosis outbreak at recreational base in Stavropol, Russia; 97 cases linked to meat-processing plant supply chain

Tick-borne diseases, Canada

Mon Jul 20th 2026      1 report (1 new)

- 2026-07-20 - Increase in reported anaplasmosis cases amid tick expansion in Ontario and Nova Scotia, Canada

Dengue, Peru

Mon Jul 20th 2026      2 reports (1 new)

- 2026-07-20 - Peru reports 22% increase in dengue cases, reaching 34 820 across 21 regions

Avian influenza, Peru

Mon Jul 20th 2026      5 reports (1 new)

African swine fever, Taiwan

Mon Jul 20th 2026      4 reports (1 new)

Norovirus, international waters

Mon Jul 20th 2026      10 reports (1 new)

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