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‘Alarming’: Unexpected pathogen spread by infected chiggers found for 1st time in North Carolina

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‘Alarming’: Unexpected pathogen spread by infected chiggers found for 1st time in North Carolina


  • Bacteria called Orientia tsutsugamushi causes the disease scrub typhus, which is spread to people through bites of infected chiggers.

  • Symptoms include a dark scab at the site of the bite, confusion, fever and body aches.

  • Most cases of scrub typhus happen in rural areas of Southeast Asia, Indonesia, China, Japan, India, Pakistan and northern Australia.

GREENSBORO, N.C. (WGHP) — Wildlife researchers at the University of North Carolina at Greensboro found a novel pathogen for the first time in North Carolina that is carried by chiggers.

Bacteria called Orientia tsutsugamushi causes the disease scrub typhus, which is spread to people through bites of infected chiggers, according to the Centers for Disease Control and Prevention.

“That is a disease that has never been described in North America or in the Americas altogether,” Gideon Wasserberg, an infectious disease expert who works in the UNCG Department of Biology, said.

Symptoms include:

  • a dark scab at the site of the bite
  • confusion
  • fever
  • chills
  • headache
  • body aches
  • rash
  • larger lymph nodes

In some extreme cases, it can lead to organ failure.

There is no vaccine available to prevent scrub typhus, but the antibiotic doxycycline can be given to anyone. People treated with doxycycline tend to recover quickly. The antibiotic will be more effective if given as soon as symptoms become noticeable.

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“Typically, people did not consider them [chiggers] like mosquitoes or ticks that might be transmitting infectious agents that cause disease … They haven’t been of much concern because we thought that there’s no scrub typhus here,” Wasserberg said.

Most cases of scrub typhus happen in rural areas of Southeast Asia, Indonesia, China, Japan, India, Pakistan and northern Australia.

“We conducted surveillance of the chiggers. We used two approaches. One is scraping them off of … rodents,” Wasserberg said.

Researchers also used a black tile out in the field to collect chiggers. They waited a few seconds for the mites to crawl onto the tile then transferred them to a vial.

Once the chiggers were analyzed, and scrub typhus was discovered, Wasserberg said researchers found high infection rates.

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“There were some sites that had 50%. I think we even had a site that had 90% infection in the chiggers,” Wasserberg said. “That was fairly alarming.”

The sample size was small at around 10 chiggers, so Wasserberg says more research needs to be done with higher sample sizes.

Researchers are currently trying to expand their studies and learn more about the link between chiggers and scrub typhus in North Carolina.

If you will be spending time outside, you’re urged to use insect repellents registered for use against chiggers.

If you have a baby or child:

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  • Dress them in clothing that covers their arms and legs or cover their crib, stroller or baby carrier with mosquito netting.
  • Do not apply insect repellent on a child’s eyes, mouth, hands or on cuts or irritated skin. Instead, spray the repellent on your hand and then apply it to the child’s face.


Copyright 2023 Nexstar Media Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.



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North Carolina

Vigil held to protest expected veto override of North Carolina immigration bill HB 10

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Vigil held to protest expected veto override of North Carolina immigration bill HB 10


RALEIGH, N.C. (WTVD) — A vigil was held outside the state legislature to protest HB 10 — the bill changing the laws on how North Carolina’s sheriffs will need to process undocumented people that they’ve arrested.

That bill, vetoed by Governor Cooper in September, is expected to be overridden by the state’s Republican supermajority this week.

The vigil came just hours after President-elect Donald Trump took to social media, confirming that he would declare a national emergency and use the military to carry out the mass deportations he promised along the campaign trail.

“Where there is injustice we will stand, we will push back,” said Ana Ilarazza-Blackburn, founder of Women Leading Together and an organizer for El Colectivo.

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Ilarazza-Blackburn’s been a vocal critic of HB 10 and made the drive up to Monday’s event from Moore County. She said she was stunned by the President-elect’s post about a national emergency on social media.

“It blows my mind. I never thought our country would come to this,” she said.

HB 10 would require North Carolina Sheriffs to follow new protocols should they learn someone who they’ve arrested is undocumented. It requires those sheriffs — once a court order has been issued — to keep those undocumented people in custody until federal agents from ICE can step in. It’s a law that advocates in the immigrant community say will devastate trust among North Carolina’s Latino community.

“What humane, civilized society targets at a community that has helped build them? Where’s the empathy for that and where’s the moral in that?” asked Ilarraza-Blackburn.

Willie Rowe and Clarence Birkhead, Sheriffs of Wake and Durham counties respectively, have publicly spoken out against HB 10 — arguing it takes away their ability to determine how to best serve their communities. Neither sheriff was available to comment for this story.

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Conversely, the North Carolina Sheriffs’ Association supports the latest version of HB 10, saying:

“The Association appreciates the legislature for its willingness not to impose onerous recordkeeping requirements on our state’s 100 sheriffs; and not to interject the Attorney General into these judicial matters.”

Monday’s vigil in opposition to that bill — attended by dozens of advocates for North Carolina’s Latino and immigrant communities — stuck a different tone.

“We can see the different ways that the attacks and the racism and the anti-immigrant sentiment is going to be more out there,” said Pilar Rocha-Goldberg, CEO of El Centro Hispano.

Rocha-Goldberg said they’ll continue to organize despite the news out of Washington on Monday.

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“We saw it in the past. We saw it here, ice coming to take people from our community with really not the right way to do it. So, yeah, we are very concerned about that,” she said.

Copyright © 2024 WTVD-TV. All Rights Reserved.



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North Carolina

Residential explosion leaves elderly couple injured, house severely damaged: See aftermath

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Residential explosion leaves elderly couple injured, house severely damaged: See aftermath


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Officials are investigating a residential explosion that left an elderly couple injured in a North Carolina neighborhood on Sunday.

First responders were called to a home in Weddington, North Carolina on Sunday morning after multiple 911 reports of a large explosion, according to a Union County Government news release. The home sustained “severe damage,” according a statement from the Union County Sheriff’s Office.

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Weddington is located about 20 miles south of Charlotte, North Carolina.

The elderly couple who lived in the home were injured, but both are expected to make a full recovery, according to the news release. The 82-year-old man sustained burn injuries and was in stable condition at a burn center, as of Sunday. His 83-year-old wife was treated at a local hospital and has been released.

“We are thankful for the swift and coordinated response from our first responder community,” Jon Williams, Union County fire marshal, said in the news release. “Our thoughts are with the couple and their family as they begin their recovery.”

The cause of the explosion remains under investigation, which is being led by the Union County Fire Marshal’s Office.

Greta Cross is a national trending reporter at USA TODAY. Follow her on X and Instagram @gretalcross. Story idea? Email her at gcross@gannett.com.

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2 are injured in North Carolina house explosion

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WEDDINGTON, N.C. (AP) — A house exploded and caught fire in suburban Charlotte, North Carolina, injuring two people, authorities said.

Reports came in Sunday morning of an explosion at a home in Weddington that was felt across Union County, the sheriff’s office said. First responders found severe damage to part of a home.

A man who was inside when the explosion happened was burned and taken to a hospital in Winston-Salem, where he was stable Sunday night, officials said. His wife was treated at a hospital and released, officials said. Both were expected to fully recover.

County officials said they believed the explosion was accidental, but the investigation continues.

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