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Published on: September 14, 2019
Cryptosporidiosis in India and the World: A Review
Kirtika Sharma1, Saumya Srivastava1, Vibhor Tak1
1Department of Microbiology, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India.
Abstract:
Cryptosporidiosis is caused by infection with a coccidian parasite belonging to the genus Cryptosporidium. Initially, human cryptosporidiosis was believed to be caused only by one species, but since the advent of molecular studies, 15 more species have been discovered to cause this infection. Among them, Cryptosporidium hominis and Cryptosporidium parvum are the most common species involved. This mainly affects children and causes diarrhea in most cases. It is mainly diagnosed by microscopy, especially in low-middle-income countries. This review covers the epidemiology, life cycle, risk factors, clinical manifestations, different diagnostic methods and treatment of this disease.
Insights
Cryptosporidiosis, caused by the parasite Cryptosporidium, affects millions globally, primarily children, leading to diarrhea. This review details its epidemiology, diagnosis, and treatment.
Area of Science:
- Infectious Diseases
- Parasitology
- Public Health
Background:
- Cryptosporidiosis is an intestinal illness caused by Cryptosporidium parasites.
- Initially, only one species was known, but molecular studies have identified 16 species responsible for human infections.
- Cryptosporidium hominis and Cryptosporidium parvum are the most prevalent species causing human disease.
Approach:
- This review synthesizes current knowledge on cryptosporidiosis.
- It covers the parasite's epidemiology, life cycle, and risk factors.
- Diagnostic methods and treatment strategies are also discussed.
Key Points:
- Cryptosporidiosis commonly presents as diarrhea, particularly in children.
- Microscopy remains a primary diagnostic tool, especially in resource-limited settings.
- Understanding the diverse species and transmission routes is crucial for control.
Conclusions:
- Effective management of cryptosporidiosis requires a comprehensive approach.
- Further research into novel diagnostics and therapeutics is warranted.
- Public health interventions targeting risk factors are essential for reducing disease burden.
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