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. Author manuscript; available in PMC: 2015 Oct 30.
Published in final edited form as: Ann Intern Med. 2014 Feb 18;160(4):213–220. doi: 10.7326/M13-2226

Figure 3.

Figure 3

Encephalitozoon cuniculi immunofluorescent antibody in kidney section.

The spores were birefringent and variably Gram-positive. Stained smears of all initial urine specimens from all recipients revealed oval spores characteristic of microsporidia. The spores fluoresced brightly when reacted with a 1:400 dilution of the rabbit antiserum made against Encephalitozoon cuniculi.