Outbreak Monitor

Active disease outbreaks · updated 2026-09-05 08:57 UTC · rebuilds hourly
1,645
Confirmed · Cyclosporiasis
5,100+
Under review
141
Hospitalized
2
Active countries
Cyclosporiasis (US states)
Hantavirus activity (last 60d)
Documented spread route
MV Hondius (hantavirus vessel)
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Active outbreak

Cyclosporiasis · United States

No CDC update since Jul 13, 2026 · 54 days ago
Cyclospora cayetanensis (parasite) · outbreak began May 1, 2026
1,645
Confirmed (CDC)
5,100+
Under review
141
Hospitalized
0
Deaths
31
States affected
Explosive multistate cyclosporiasis surge. Epidemiologic and traceback data link a cluster to iceberg lettuce from Taylor Farms de Mexico served at Taco Bell locations.
Suspected vehicle: Iceberg lettuce · Taylor Farms de Mexico.
Counts Jul 13, 2026 · 54 days ago, from CDC investigation update (outbreak page). Awaiting a newer CDC figure. Refreshes hourly.

Hantavirus · MV Hondius cluster

Dormant — last Jun 17, 2026 · 80 days ago
This maritime cluster has had no new ECDC figures since 2026-06-17 and appears to have resolved. Counts below are the last reported values, kept for reference.
13
Total cases
12
Lab confirmed
1
Probable
3
Deaths
1
Critical
147
On board (88+59)
MV Hondius
Oceanwide Expeditions · IMO 9818709 · MMSI 244327000 · flag Netherlands
Departed Ushuaia, Argentina on 2026-04-01.
Position
79.734°, 11.029°
Heading
0°
Last AIS fix
2026-09-05 08:57 UTC
Counters Jun 17, 2026 · 80 days ago, from ECDC — no newer figure has been published. Position from CruiseMapper; cross-check on VesselFinder / MarineTraffic. Refreshes hourly.

ProMED-mail · official outbreak alerts

CDC hantavirus snapshot

Annual data · 2023
890
Total cases
35%
Fatality rate
859
HPS cases
94%
West of Miss.

Cumulative US hantavirus surveillance, 1993–2023 (median age 38, 62% male). This is an annual dataset — CDC last published it Dec 31, 2023 · 979 days ago, so these totals move once a year, not hourly. Source: CDC.

ECDC · EU agency press releases & assessments

Outbreak news · cyclospora + hantavirus · last 25 items