Which age groups are at greatest risk for Campylobacter infections?

Updated: Aug 05, 2019
  • Author: Mahmud H Javid, MBBS; Chief Editor: Michael Stuart Bronze, MD  more...
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Campylobacter infections can occur in all age groups.

Studies show a peak incidence in children younger than 1 year and in persons aged 15-29 years. The age-specific attack rate is highest in young children. In the United States, the highest incidence of Campylobacter infection in 2010 was in children younger than 5 years and was 24.4 cases per 100,000 population, [10] However, the rate of fecal cultures positive for Campylobacter species is greatest in adults and older children.

Asymptomatic Campylobacter infection is uncommon in adults.

In developing countries, Campylobacter infection is very common in the first 5 years of life. Asymptomatic infection is also more common. In Bangladesh, up to 39% of all children younger than 2 years have asymptomatic infection.

For additional information on pediatric Campylobacter infections, see Campylobacter Infections.

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