Hawaii warns tourists of parasitic worm that can burrow into human brains

Enlarge / Male Angiostrongylus cantonensis (credit: Punlop Anusonpornperm)

Hawaii's health department has released fresh warnings about a parasitic worm that can infest human brains after officials confirmed that three more visitors to the state picked up the infection.

The Centers for Disease Control and Prevention confirmed three new cases in unrelated adults visiting Hawaii Island from the US mainland, the health department announced. The latest known victims-who became infected at different times-bring the state's 2018 case total to 10 and the 2019 total to five.

While there were 17 confirmed cases in 2017, the state counted only two cases total in the prior decade. The new case counts indicate a sustained boom in the parasite's population and spread.

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