
(NEW YORK) -- Hospitalizations in Michigan linked to an outbreak of cyclosporiasis, an intestinal illness caused by a parasite, have surpassed 100, health officials said Friday.
So far, 102 people have been hospitalized, according to the Michigan Department of Health and Human Services (MDHHS). There are more than 5,000 cases in the state, an increase of nearly 700 since Thursday, officials said.
The Centers for Disease Control and Prevention and the Food and Drug Administration are warning consumers not to eat shredded iceberg lettuce sold at select Taco Bells in five states -- Indiana, Kentucky, Michigan, Ohio, and West Virginia -- after the ingredient was linked to the outbreak. The CDC said that shredded iceberg lettuce sold in grocery stores or served in other restaurants is not affected.
Lettuce supplier Taylor Farms said it is voluntarily removing all iceberg lettuce sourced from central Mexico from the U.S. market.
Taylor Farms said the FDA traceback indicated a "specific farm" that accounts for "less than 1% of the U.S.'s iceberg lettuce supply" was a potential source, and they have removed all iceberg lettuce from the region indefinitely. No other Taylor Fresh Food products have been impacted and that no branded salad kits contain iceberg lettuce, Taylor Farms said.
"As a family owned and operated company, we are deeply concerned for those who became ill, their families, and the many Americans whose trust in the safety of their fresh produce has been shaken. That trust is something we've worked for decades to earn, and we are committed to doing everything in our power to restore that confidence," Taylor Farms said in a statement Friday.
Preliminary findings by Michigan health officials suggest lettuce or salad greens are the potential source of the illnesses. However, no specific type of produce, grower or supplier has been identified as the source, and federal health officials have not publicly identified a source of the outbreak.
The White House said on Thursday it is "closely monitoring" the cyclosporiasis outbreak and "has a handle on the situation."
Press secretary Karoline Leavitt said the White House is working with the FDA and partners at the federal, state and local levels to "increase detection methods," provide guidance and trace the outbreak.
On Tuesday, Taco Bell said it would voluntarily remove some ingredients at select restaurants as a precautionary measure.
"The health and safety of our guests is our top priority," Taco Bell Corp said in a statement to ABC News. "Public health officials have not confirmed a link to Taco Bell or any specific ingredient, supplier, restaurant or retailer. While authorities continue their broader review, Taco Bell has voluntarily and temporarily removed limited ingredients at select restaurants as a precautionary measure. We will continue to closely monitor the situation and follow the guidance of public health authorities."
Federal health officials said cases of cyclosporiasis will continue to rise in the U.S. The season is typically considered to be from May 1 to Aug. 31.
Additionally, the CDC sent out an alert to doctors around the country on Tuesday warning them of an increase in cases of cyclosporiasis.
Michigan health officials previously told ABC News the outbreak could be linked to food contamination.
Earlier this month, MDHHS sent out recommendations to restaurants and other commercial kitchens in southeast Michigan to reduce risks of exposure.
MDHHS data shows that most cases have been among adults, with 30 to 39 year olds making up the highest share.
The outbreak was first identified on June 29, when the Monroe County Health Department announced it was investigating a cluster of cases.
The parasite usually spreads through food or water contaminated with feces, according to the Centers for Disease Control and Prevention. It does not typically spread person-to-person.
Foodborne outbreaks of cyclosporiasis in the past have been linked to various types of imported fresh produce, such as raspberries, basil, snow peas, mesclun lettuce and cilantro, according to the CDC.
At least 31 other states have reported cases of cyclosporiasis, according to an ABC News tally, analyzing CDC data and state health department data.
Cyclosporiasis is treated with the oral antibiotic trimethoprim-sulfamethoxazole (TMP-SMX), commonly sold as Bactrim, Septra and Cotrim, and taken for 10 days, according to the CDC.
The agency says people can prevent infection by thoroughly washing produce, cutting away bruised or damaged parts of fruits and vegetables and refrigerating pre-prepared or pre-cut produce.
Additionally, the CDC recommends washing hands thoroughly with soap and water before handling or preparing raw fruits and vegetables.
ABC News' Karen Travers contributed to this report.
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TYLER – CHRISTUS Health Mount Pleasant celebrated the opening of its new Birthing Suite, a thoughtfully designed space created to enhance the childbirth experience for growing families across the region.

SMITH COUNTY – A man accused of capital murder in relation to the shooting of a Tyler man in 2017 has been transferred to the Smith County Jail. Quadaverine Allison, a Longview resident, is presently serving a 25-year prison term at the Allred Unit for aggravated robbery.
VAN ZANDT COUNTY – Starting Friday, Van Zandt County’s County Road 4414 (Tank Farm Road) bridge over Interstate 20 is closed. The Tyler District of the Texas Department of Transportation announced the closure, citing the need for workers to examine and fix the bridge’s damage. Until further notice, the closure is in place. Traffic heading north is being diverted to the FM 16 underpass via the frontage roads. The frontage roads leading to the Oakland/Colfax overpass are being used by southbound traffic. It is advised that drivers prepare ahead of time and, if necessary, take a different route.
LONDON (AP) — Andy Burnham was officially declared leader of Britain’s governing Labour Party on Friday, promising to bring hope to the British people and purpose to the floundering government as he cleared his final hurdle to take office as prime minister next week.


NEW YORK (AP) — More swings for computer chip companies and other winners of the artificial-intelligence boom are yanking stock markets lower Friday. Oil prices, meanwhile, continue to climb because of the war with Iran.


TRINIDAD – Trinidad City Administrator Cynthia Dosier resigned from her position on Wednesday as the city continues to deal with their ongoing water system issues. Trinidad Mayor Dennis Haws announced both Dossier’s resignation and the resignation of city employee Sandra Rojas on Wednesday. In a social media post, Haws said that he’s contacted the Texas Municipal League (TML) for advice on how to work through these resignations.
ANDERSON COUNTY – The Neches and Trinity Valleys Groundwater Conservation District took no action during a public hearing today on proposed rule changes to drilling permits. The proposed changes are being considered as Dallas investor Kyle Bass is suing the District for access to drill in Anderson County.
UPSHUR COUNTY – The County Commissioners’ Court unanimously voted to join the future Northeast Texas Groundwater Conservation District on Wednesday, according to our news partner KETK. Upshur County Precinct 1 Commissioner Gene Dolle said they voted to join the planned district as part of a growing effort to conserve the area’s underground water resources.


GREGG COUNTY – A man has been sentenced to life in prison after being found guilty of his seventh DWI conviction on Wednesday. According to our news partner KETK, Jeffry Scott Web was found guilty of driving while intoxicated three or more times. The jury deliberated only 45 minutes on the sentence, according to the Gregg County District Attorney’s Office.
SMITH COUNTY – Beginning Saturday, the Smith County Sheriff’s Office will increase traffic enforcement along I-20 and Toll 49 in partnership with TxDOT for Operation Slow Down, which looks to keep roads safer. According to our news partner KETK, the sheriff’s office said increased stops will take place around portions of I-20 and Toll 49, to curb speeding, deter aggressive driving and to protect everyone on the road.
OMAHA, Neb. (AP) — Billionaire Warren Buffett said Wednesday that his decision to cut the Gates Foundation out of his charitable giving is more about believing his three kids are ready to handle giving away his entire fortune than it is about Bill Gates ‘ ties to convicted sex offender Jeffrey Epstein.