Data is currently being updated. Some features may be temporarily unstable.

Disease Profile

Bacterial

Campylobacteriosis

弯曲杆菌病

Campylobacteriosis is a zoonotic bacterial infection and one of the most common bacterial causes of diarrheal illness in the United States and worldwide [1]. It is associated with a broad disease spectrum that includes acute enteritis, extraintestinal infection, and postinfectious complications [1]. Available sources emphasize its foodborne and animal-linked epidemiology, with poultry identified as a major reservoir and source of human transmission [2][3].

Definition

Campylobacteriosis refers to infection caused by Campylobacter species, with Campylobacter jejuni described as the most common species associated with human illness [1]. It is presented in the source material as a zoonotic foodborne disease, indicating an animal-to-human infection pathway linked to contaminated food and environmental contamination [3]. The literature also notes increasing recognition of other Campylobacter species as clinically important, including Campylobacter concisus and Campylobacter ureolyticus [2].

Clinical features

Infection with Campylobacter causes acute enteritis and diarrheal illness, and may also extend beyond the gut to extraintestinal infections and postinfectious complications [1]. The source review notes that symptoms of foodborne infections may be mild and sometimes flu-like, but can also be accompanied by severe complications, some of them fatal [3]. No source-backed detail is yet available here on the typical duration of illness, complication frequencies, or specific clinical warning patterns beyond this general spectrum [1][3].

Epidemiology

Campylobacteriosis is described as one of the most widespread infectious diseases of the last century, with incidence and prevalence increasing in both developed and developing countries over the last 10 years [2]. The reviewed literature reports a dramatic rise in North America, Europe, and Australia, while data from parts of Africa, Asia, and the Middle East indicate endemicity, especially in children [2]. It remains one of the most common bacterial causes of diarrheal illness in the United States and worldwide [1]. Poultry is identified as a major reservoir, and other listed exposure contexts include animal products and water, contact with animals, and international travel [2].

Transmission

The evidence identifies poultry as a major reservoir and source of transmission to humans [2]. More broadly, Campylobacter and related zoonotic bacteria may be shed in animal feces, contaminate the environment, and reach food, vegetables, fruits, and food-production surfaces, particularly when processing is improper or careless [3]. The source material also lists consumption of animal products and water, contact with animals, and international travel as relevant exposure routes or risk contexts [2].

Risk groups

The provided sources explicitly identify children as a group in which campylobacteriosis is endemic in parts of Africa, Asia, and the Middle East [2]. Exposure-related risk groups include people consuming animal products or water linked to contamination, those in contact with animals, and international travelers [2]. No further source-backed high-risk subgroup detail is yet available in the supplied snippets [2][3].

Prevention

Source-backed prevention emphasis is on multifaceted biocontrol measures to reduce transmission and on controlling contamination along the food chain [2][3]. The reviewed material highlights the importance of preventing pathogens from persisting in food production areas and on equipment surfaces, and of avoiding improper or careless processing of food products [3]. Specific consumer-level preventive steps, vaccine strategies, or formal schedules are not provided in the source snippets [3][2].

Surveillance note

For surveillance purposes, campylobacteriosis should be interpreted as a zoonotic, foodborne bacterial disease with a substantial global burden and increasing reported incidence in multiple regions [2][3]. Because the sources emphasize endemicity in some settings, frequent diarrheal presentation, and possible extraintestinal or postinfectious outcomes, case counts may reflect both enteric disease and broader clinical recognition [1][2]. Source-backed detail on standardized case definitions, routine laboratory thresholds, or seasonality is not yet available in the provided material [1][2].

References
  1. 1 Fitzgerald C et al. Campylobacter. Clin Lab Med. 2015 Jun. PMID: 26004643. doi: 10.1016/j.cll.2015.03.001. PubMed: https://pubmed.ncbi.nlm.nih.gov/26004643/
  2. 2 Kaakoush NO et al. Global Epidemiology of Campylobacter Infection. Clin Microbiol Rev. 2015 Jul. PMID: 26062576. doi: 10.1128/CMR.00006-15. PubMed: https://pubmed.ncbi.nlm.nih.gov/26062576/
  3. 3 Chlebicz A et al. Campylobacteriosis, Salmonellosis, Yersiniosis, and Listeriosis as Zoonotic Foodborne Diseases: A Review. Int J Environ Res Public Health. 2018 Apr 26. PMID: 29701663. doi: 10.3390/ijerph15050863. PubMed: https://pubmed.ncbi.nlm.nih.gov/29701663/
  4. 4 Campylobacteriosis. The Handbook of Zoonotic Diseases of Goats. 2024. doi: 10.1079/9781800622852.0011. DOI: https://doi.org/10.1079/9781800622852.0011
  5. 5 Campylobacteriosis. Diseases of Poultry. 2019. doi: 10.1002/9781119371199.ch17. DOI: https://doi.org/10.1002/9781119371199.ch17
  6. 6 Campylobacteriosis. Veterinary Public Health & Epidemiology. 2023. doi: 10.1007/978-981-19-7800-5_36. DOI: https://doi.org/10.1007/978-981-19-7800-5_36
Coding Register
ICD-10
ICD-11
Key Statistics
Total cases
1.1M
Peak month
2025-08
Coverage
4 reporting countries · 2000-01-01 → 2026-06-20

Figure 1 | Full historical trajectories across all reporting countries.

Figure 2 | Year-over-year monthly comparison for seasonality and structural shifts.

Dataset Archive

Supplementary Data | Multi-country disease dataset

Machine-readable multi-country disease dataset (JSON/CSV) with source metadata.

Rows
1,201
Data Version
2026-06-20
Coverage
Included metadata
Source links, scope, cadence

Source Register

Official sources and update cadences used to construct the downloadable dataset.

AU
Australia NINDSSmonthlymicrosoft_bi

Australia

Australian national notifiable diseases surveillance dashboard.

Official source
CH
Switzerland FOPH IDDweeklyrest_api

Switzerland

Switzerland FOPH/BAG IDD mandatory reporting API normalized to national case rows. Monthly series may use the dashboard CHFL aggregate where CH-only monthly series are not exposed.

Official source
NZ
phf_monthlymonthlyweb

New Zealand

PHF Science (formerly ESR) monthly notifiable disease surveillance data via internal globalID2 crawler

Official source
US
US CDC NNDSSweeklyapi

United States

CDC National Notifiable Diseases Surveillance System provisional data.

Official source
Suggested presentation pattern: cite the data version and coverage window when exporting charts or tables for publication.