008 – Cryptosporidiosis

Course # DL-008 - Cryptosporidiosis

by Helen Sowers, M.A. CLS, Dept. of Biological Science (Retired), California State University East Bay

Approved for 1.0 CE
Level of Difficulty: Basic


Cryptosporidiosis is a gastrointestinal illness caused by protozoa of the genus Cryptosporidium. Revised Cryptosporidium taxonomy based on recent advances in molecular testing methods has revealed that multiple species can infect humans.


At the end of this course the participant will be able to:

  1. List the most common Cryptosporidium species that infect humans
  2. Describe the life cycle of Cryptosporidium
  3. Outline the ways Cryptosporidium may be spread
  4. Discuss the characteristics of Cryptosporidium that make it easy to spread in drinking or recreational water
  5. List the people at risk of becoming infected
  6. Describe the symptoms of cryptosporidiosis
  7. List the laboratory tests used to diagnose cryptosporidiosis
  8. Outline the methods of prevention and control of cryptosporidiosis
  9. Give the estimated number of cases and cost of the disease in the U.S.
  10. Explain how swimming pool venues are regulated
  11. List the agencies mentioned in the course that help control the spread of cryptosporidiosis
  12. Discuss the CDC’s plans for public health interventions to prevent and control cryptosporidiosis


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