Illnesses on the rise from mosquito, tick and flea bites

Disease cases from mosquito, tick and flea bites more than tripled in the U.S. from 2004 to 2016, with tick-borne illness seeing the most dramatic increase. The CDC says many local health departments lack the tools to protect people.
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Disease cases from mosquito, tick and flea bites more than tripled in the U.S. from 2004 to 2016, with tick-borne illness seeing the most dramatic increase. The CDC says many local health departments lack the tools to protect people.