is cylcosporiasis immune to clorine and fluoride treatment? Yes. So, if it is in your water supply you need a Reverse osmosis tippet to not get sick from it

Yes, the parasite Cyclospora cayetanensis (which causes cyclosporiasis) is highly resistant to routine chemical disinfection. 

• Chlorine Resistance: Cyclospora oocysts can survive standard chlorination levels used in tap water and swimming pools. Rinsing produce with standard tap water or chlorinated water will not reliably kill the parasite. 
Fluoride: While standard water fluoridation does not affect the parasite, it is the chlorine component that water treatment typically relies on to kill bacteria—which fails in this case. 

How to Destroy it:

Heat: The parasite is easily killed by boiling water or thoroughly cooking food to a temperature of at least 158°F (70°C).
Filtration & UV: Mechanical water filtration (e.g., absolute 1-micron or smaller filters) and UV-C light treatments are also effective at inactivating the oocysts. 

For further guidance, consult the CDC Cyclosporiasis Prevention Guide or the FDA Cyclospora Fact Sheet.

Would you like information on the specific antibiotics prescribed for cyclosporiasis, or are you looking for tips on how to properly wash and sanitize fresh produce to avoid contamination?

• Cyclospora - FDA

  Jul 25, 2022 — Based on current information available Cyclospora may be resistant to routine chemical disinfection methods such as those using ch...

  

  U.S. Food and Drug Administration (.gov)
• Cyclosporiasis: Transmission, Symptoms & Treatment

  Apr 14, 2026 — Cyclosporiasis can range from mild to severe. Symptoms may last a long time if left untreated. Potential complications include: * ...

  

  

  Cleveland Clinic

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Cyclospora

U.S. Food and Drug Administration (.gov)

https://www.fda.gov › food › foodborne-pathogens › cy...

Jul 25, 2022 — Based on current information available Cyclospora may be resistant to routine chemical disinfection methods such as those using chlorine.

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