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Cryptosporidiosis and surface water
M M Gallaher1, J L Herndon, L J Nims
1New Mexico Health and Environment Department, Santa Fe, NM 87504-0968.
American Journal of Public Health
|January 1, 1989
Summary
Drinking untreated surface water was a significant risk factor for cryptosporidiosis in New Mexico. Among children, attending daycare with ill peers also increased illness risk.
Area of Science:
- Epidemiology
- Infectious Diseases
- Public Health
Background:
- Cryptosporidiosis is a significant cause of diarrheal illness globally.
- Identifying risk factors is crucial for effective prevention strategies.
Purpose of the Study:
- To investigate risk factors associated with cryptosporidiosis outbreaks in New Mexico.
- To inform public health interventions for disease control.
Main Methods:
- A case-control study was conducted between July and October 1986.
- 24 laboratory-confirmed cryptosporidiosis cases and 46 neighborhood controls were interviewed.
- Data collected included water consumption habits and daycare attendance.
Main Results:
- A strong association was found between drinking untreated surface water and cryptosporidiosis (5/24 cases vs. 0/46 controls).
- Among children, attending daycare with other ill children significantly increased the odds of illness (odds ratio = 13.1).
- The majority of case-patients (71%) were female, with ages ranging from 4 months to 44 years (median 3 years).
Conclusions:
- Untreated surface water consumption is a primary risk factor for cryptosporidiosis.
- Daycare settings represent a significant transmission route for cryptosporidiosis among children.
- Public health advisories regarding safe water sources and daycare hygiene are recommended.
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