World first: Woman in North America infected with eye worm that only attacks cattle

Flickr 13-2-2018 Flickr News 1454
A 26-year-old woman was infected with an eye worm usually found only in cattle B. Carlson/Flickr Creative Commons Mary (not her real name), a 26-year-old woman from Oregon, had an itchy eye for about a week before she realised something was wrong.
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