Method 1623
Giardia & Cryptosporidium
Characterization of Interfering Organisms
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It is essential that analysts learn to recognize cross-reacting organisms as well as the range of variation of Giardia cysts and Cryptosporidium oocysts to accurately and consistently identify these pathogens. Below are general features which may indicate that the observed organism is not Giardia or Cryptosporidium, but a cross-reacting or auto-fluorescing organism:

Organisms similar to Cryptosporidium and Giardia

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