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Published on: November 7, 2018
Reptile-associated salmonellosis in children aged under 5 years in South West England
1Royal Cornwall Hospital, Truro, Cornwall, UK.
Insights
Reptile-associated salmonellosis (RAS) accounts for over a quarter of Salmonella cases in young children. RAS is linked to younger age, increased hospitalizations, and severe invasive illness.
Area of Science:
- Public Health
- Infectious Diseases
- Pediatrics
Background:
- Salmonellosis is a common bacterial infection, particularly in young children.
- Reptiles are known reservoirs for Salmonella bacteria.
- Understanding the epidemiology of reptile-associated salmonellosis (RAS) in children is crucial for prevention.
Purpose of the Study:
- To determine the proportion of Salmonella cases in children under 5 years that were reptile-associated.
- To compare the severity of illness between RAS and non-RAS cases.
Main Methods:
- Analysis of all reported Salmonella cases in children under 5 years in the UK (2010-2013).
- Data collected included reptile exposure, age, serotype, hospitalization, and invasive disease.
- Statistical comparison between RAS and non-RAS groups.
Main Results:
- 27% of Salmonella cases in children under 5 were associated with reptile exposure.
- RAS cases were significantly younger (median 0.5 vs 1.0 year) and more likely to be hospitalized (2.5 times).
- RAS was associated with a higher incidence of invasive disease, including bacteremia and meningitis.
Conclusions:
- Reptile exposure is a significant factor in pediatric Salmonella infections.
- RAS in young children is associated with increased risk of hospitalization and severe invasive illness.
- Public health awareness and reptile hygiene are important for reducing RAS burden.
Objective:
To determine the proportion of Salmonella cases in children aged <5 years that were reptile-associated salmonellosis (RAS) and to compare the severity of illness.
Design:
To analyse all cases of salmonellosis reported to public health authorities in children aged under 5 years in the South West of the UK from January 2010 to December 2013 for reptile exposure, age, serotype, hospitalisation and invasive disease.
Results:
48 of 175 (27%) Salmonella cases had exposure to reptiles. The median age of RAS cases was significantly lower than non-RAS cases (0.5 vs 1.0 year). RAS cases were 2.5 times more likely to be hospitalised (23/48) compared with non-RAS cases (25/127; p=0.0002). This trend continued in cases aged under 12 months, with significantly more RAS cases hospitalised (19/38) than non-RAS cases (8/42; p=0.003). Significantly more RAS cases had invasive disease (8/48: 5 bacteraemia, 2 meningitis, 1 colitis) than non-RAS cases (4/127: 3 bacteraemia, 1 meningitis).
Conclusions:
Reptile exposure was found in over a quarter of all reported Salmonella cases in children under 5 years of age. RAS is associated with young age, hospitalisation and invasive disease.
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