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JACKSON, Miss. — Four more cases of West Nile virus have been confirmed in Mississippi, bringing the state’s total to 30 cases so far this year.

The Mississippi State Department of Health says Tuesday that the new cases are in Harrison, Hinds, Lauderdale and Rankin counties.

Mississippi has among the highest numbers of serious West Nile infections nationwide.

Hinds County has reported 11 total cases. Adams, Calhoun, Forrest and Harrison counties have two each.

Counties with a single case each are Copiah, Itawamba, Jones, Lauderdale, Madison, Marion, Oktibbeha, Pearl River, Rankin, Walthall and Washington counties.

Mississippi reported 63 West Nile cases and two deaths in 2017.

Health officials urge people to reduce risk by using insect repellent, wearing long, light-colored clothes and eliminating standing water.