Health
Homeless encampment at center of health alert over rat-borne disease
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encampment in Berkeley, California.
Leptospirosis, which is caused by Leptospira bacteria, is a zoonotic infection that can be passed from animals to people.
The disease has been confirmed in multiple rats and dogs at the homeless encampments along Harrison Street near Eighth Street in West Berkeley, according to an alert from City of Berkeley Public Health.
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Rats and their urine are the primary vectors of the disease, officials warned. It can also be transmitted through contaminated soil or water exposed to infected animal urine.
“People or animals who touch or drink contaminated water or mud are potentially exposed to the bacteria,” the alert stated. “The disease is transmitted to humans and animals when the contaminated water touches mucous membranes, such as eyes, nose, mouth or skin cuts. This disease is not spread in the air or by coughing or sneezing.”
Health officials are warning of a dangerous bacterial infection that has been detected at a homeless encampment in Berkeley, Calif. (iStock)
There is a higher risk after heavy rainfall, flooding or hurricanes, as this increases contact with infected water or soil.
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Leptospirosis typically causes flu-like symptoms, including fever, chills, headache, body aches, vomiting or nausea, according to the CDC. Infected people may also experience yellowed eyes or skin, rash, stomach pain or diarrhea.
Rats and their urine are the primary vectors of the disease, officials warned. It can also be transmitted through contaminated soil or water exposed to infected animal urine. (iStock)
Without antibiotic treatment, the disease can lead to serious illness, including kidney damage, liver failure, meningitis and difficulty breathing. In rare cases, it can be fatal to humans and animals, health officials say.
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Illness usually begins between two and 30 days of exposure to the bacteria, according to the CDC. People generally start feeling better within a few days or weeks, but recovery without treatment could take several months.
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“The presence of rats that are transmitting leptospirosis has made the area unsafe for human encampment conditions in the vicinity of Harrison Street encampments in the area generally bounded by San Pablo Avenue, Gilman Street, Codornices Creek and the railroad tracks,” the alert stated.
The disease has been confirmed in multiple rats and dogs at the homeless encampments along Harrison Street near Eighth Street in West Berkeley, according to an alert from City of Berkeley Public Health. (iStock)
The city has designated public health risk zones, with the Red Zone marking the highest risk area inside the encampment. Surrounding areas have been defined as the Yellow Zone, with an elevated but lower risk.
“The City’s Health Officer strongly recommends that encampment residents move out of the defined encampment ‘RED ZONE’ area as soon as possible and at least ⅓ of a mile away due to the public health risk caused by the rat infestation transmitting leptospirosis in the area,” officials advised.
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Residents in the area are encouraged to avoid contact with standing water and mud, use protective clothing and monitor themselves and their pets for signs of illness.
Anyone who has been exposed or is experiencing symptoms should seek immediate medical attention.
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Surviving cancer as a child or young adult may have a lasting impact on aging, new research suggests.
Researchers at the University of Rochester Medical Center looked at whether life-saving treatments, like chemotherapy and radiation, could speed up biological aging.
They also aimed to determine whether this age acceleration was linked to cognitive issues related to memory, focus and learning.
The team analyzed blood samples from a group of 1,400 long-term survivors treated at St. Jude Children’s Research Hospital, using epigenetic clocks — tools that estimate biological age by examining chemical tags on DNA.
Biological age is determined based on damage the cells accumulate over time, versus chronological age, which is measured by how long someone has been alive, according to scientists.
Biological age is determined based on the damage cells accumulate over time, according to scientists. (iStock)
“These well-established aging-related biomarkers have previously been associated with neurocognitive impairment and decline in older non-cancer populations, particularly in cognitive domains related to aging and dementia, such as memory, attention and executive function,” the study stated.
Most of the group consisted of acute lymphoblastic leukemia survivors, or Hodgkin lymphoma survivors. Participants were at least five years past their treatment, though some had survived for several decades.
They underwent neurocognitive testing to measure their attention span, memory and information processing speed.
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Chemotherapy was found to have the greatest impact on aging acceleration. The study suggests the treatment can alter DNA structure and cause cellular damage.
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“It’s no surprise to find out that young people with cancer who have chemo early in life are affected in terms of long-term aging,” Dr. Marc Siegel, senior medical analyst for Fox News, told Fox News Digital.
Participants underwent neurocognitive testing to measure their attention span, memory and speed of information processing. (iStock)
Researchers also found that cellular aging was closely linked to cognitive performance, as survivors of a higher biological age had more difficulty with memory and attention.
“Chemo poisons and damages cellular function — hopefully the cancer cells more than normal cells, but there is a significant impact on normal cells as well,” said Siegel, who was not involved in the study.
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“There is also something called ‘chemo brain,’ which causes at least temporary difficulty with memory, concentration, word finding and brain fog,” the doctor added.
The research team hopes to use these findings to focus on intervention efforts, specifically by determining when accelerated aging begins.
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“Young cancer survivors have many more decades of life to live,” lead study author AnnaLynn Williams, PhD, said in a press release. “If these accelerated aging changes are occurring early on and setting them on a different trajectory, the goal is to intervene to not only increase their lifespan, but improve their quality of life.”
The team hopes this research will help in the development of early intervention tools that aim to prevent cognitive decline. (iStock)
There were some limitations to the study. The researchers could not adjust for chronic health conditions or education because they are directly impacted by treatment.
Additionally, the study only looked at the survivors at a single point of time, so it could not directly prove causation.
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The study was published in the journal Nature Communications.
Fox News Digital reached out to the researchers for comment.
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