Accurate and precise detection is imperative for Cryptosporidium oocyst enumeration.
- Brilliant apple-green color
- Brightly highlighted rim
- Interior fluorescence dimmer than rim
- No scattering of fluorescence when focusing
- One fluorescing rim is observed
- Correct size and shape – 4-6 µm; spherical to ovoid

Record observations on the Cryptosporidium Examination Results Form.
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