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Incidence of Cronobacter spp. infections, United States, 2003-2009
Emerging Infectious Diseases
|August 23, 2014
Insights
Cronobacter spp. infections are more invasive in young children, with urine samples most common in adults. The overall incidence of these infections was higher than previously estimated.
Area of Science:
- Microbiology
- Infectious Diseases
- Epidemiology
Background:
- Cronobacter spp. are opportunistic pathogens that can cause severe illness, particularly in infants.
- Previous estimates of Cronobacter spp. infection incidence were limited.
Observation:
- A surveillance study identified 544 cases of Cronobacter spp. infection across six US states between 2003 and 2009.
- Infections showed distinct patterns based on age group.
Findings:
- The highest proportion of invasive Cronobacter spp. infections were observed in children younger than five years.
- Urine isolates were the most common among adult patients.
- Infection rates in infants were consistent with prior research.
- The overall incidence rate was determined to be 0.66 cases per 100,000 population, exceeding expectations.
Implications:
- The findings highlight the significant public health burden of Cronobacter spp. infections, especially in vulnerable pediatric populations.
- This data underscores the need for continued surveillance and potential interventions to reduce infection rates.
- The higher-than-anticipated incidence suggests a broader impact of Cronobacter spp. than previously recognized.
Abstract:
During 2003-2009, we identified 544 cases of Cronobacter spp. infection from 6 US states. The highest percentage of invasive infections occurred among children <5 years of age; urine isolates predominated among adults. Rates of invasive infections among infants approximate earlier estimates. Overall incidence of 0.66 cases/100,000 population was higher than anticipated.
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