A man in southern Texas became only the second person ever in the United States diagnosed with philophthalmiasis, a rare eye infection caused by a certain trematode, according to a report published in Open Forum Infectious Diseases.
The Philophthalmus species eye fluke was extracted from the bulbar conjunctiva in man’s right eye, researchers reported. Typically, the trematode infects the conjunctival and orbital tissues of birds, especially water birds and wading birds.
“Birds and other natural animal hosts are infected by eating metacercariae, an immature stage of the parasite that
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