Significant Surge in Campylobacter Infections Across Sweden
Sweden reports a significant increase in Campylobacter infections during mid-2025.
Key Points
- • Cases rose from 30 per week in early June to over 200 last week.
- • The increase is seasonal, particularly rising in July.
- • Campylobacter causes diarrhea, fever, and nausea, typically resolving without medical care.
- • Severe symptoms are uncommon but possible.
Sweden is witnessing a notable seasonal increase in Campylobacter infections, with reported cases rising sharply from about 30 per week in early June to more than 200 last week. According to Rikard Dryselius, an investigator at the Public Health Agency of Sweden, this uptick is typical as the summer season progresses, with a significant rise usually observed starting in July.
Campylobacter is a common bacterial pathogen associated with gastrointestinal illness in humans and animals. Symptoms of infection include diarrhea, fever, and nausea, which typically resolve on their own within a few days. However, while severe symptoms are rare, public health officials advise caution as the incidence of the bacterium increases.
In the context of public health, awareness of the seasonal patterns associated with Campylobacter can aid in monitoring and managing the outbreak effectively. Continued surveillance and reporting will be essential as health authorities navigate this rise in cases during the warmer months.