Correction: Rare Mosquito Disease story

National

FILE – In this Aug. 26, 2019, file photo, Salt Lake City Mosquito Abatement District biologist Nadja Reissen examines a mosquito in Salt Lake City. State and federal health officials are reporting a higher than usual number of deaths and illnesses from a rare, mosquito-borne virus this year. Eastern equine encephalitis has been diagnosed in a score of people in six states and several people have died so far this year. (AP Photo/Rick Bowmer, File)

NEW YORK (AP) — In a story Sept. 18 about a rare mosquito-borne disease, The Associated Press misspelled the first name of a CDC scientist. He is Dr. Marc Fischer, not Mark.

A corrected version of the story is below:

Uptick seen in rare mosquito-borne virus in some US states

US deaths and illnesses from rare mosquito-borne disease are up, officials say

By MIKE STOBBE and JENNIFER McDERMOTT

Associated Press

NEW YORK (AP) — The number of U.S. deaths and illnesses from a rare mosquito-borne virus are higher than usual this year, health officials report.

Eastern equine encephalitis has been diagnosed in 21 people in six states, and five people have died. The infection is only being seen in certain counties within a small number of states.

The U.S. each year has seen seven illnesses and three deaths, on average.

It’s not clear why numbers are up this year, but for some reason cases seem to spike once every several years, Dr. Marc Fischer, an expert at the U.S. Centers for Disease Control and Prevention, said Wednesday.

Most infections occur in the summer, so health officials do not think it will get much worse.

Massachusetts has eight cases, followed by Michigan, Rhode Island, Connecticut, New Jersey and North Carolina.

In Rhode Island, there are three cases, including one death. “This is an extremely unusual year,” said Al Gettman, head of the state’s mosquito control program.

The other deaths were in Massachusetts and Michigan.

Catherine Brown, who tracks diseases for Massachusetts, said she thinks introduction of a new strain of the virus may be a factor in that state this year.

The virus is spread to people through mosquitoes that mostly feed on infected birds but sometimes bite humans. Few people who are infected get sick but those who do can develop a dangerous infection of the brain, spinal cord or surrounding tissues.

Cases are generally confined to New England and states along the Gulf of Mexico or Great Lakes, usually in or near swamps.

The uptick in cases has prompted health warnings in some places and even calls to cancel outdoor events scheduled for dusk — when mosquitoes are most active. Precautions include using mosquito repellent and wearing long sleeved shirts and long pants outdoors.

Scientists first recognized eastern equine encephalitis as a horse disease in Massachusetts. There’s a vaccine for horses, but not people.

It’s not considered as large a concern as West Nile virus, which also is spread by mosquitoes, and is seen in most states. Nearly 500 West Nile illnesses, including 21 deaths, have been reported to CDC so far this year.

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McDermott reported from Providence, Rhode Island.

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The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Department of Science Education. The AP is solely responsible for all content.

Copyright 2019 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

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