Colcord, Oklahoma, residents told to watch out for blood worms in water supply


By Jethro Mullen, CNN

August 29, 2013 -- Updated 1334 GMT (2134 HKT)

Blood worms -- small, red insect larvae -- have been appearing in water glasses and filters in the rural town.

Authorities have warned Colcord's 800 residents not to drink, cook with or brush their teeth with the worm-infested tap water.

Schools in the area have been closed since Tuesday as officials try to figure out where the bright-red creatures came from and how long it will take to get rid of them.

There are no known health effects from the worms, which range from about a quarter to a half inch in length. But local officials aren't taking any chances, hand-delivering letters to residents warning them to stick to bottled water for the time being.
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