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Common pneumonia bacterium may fuel Alzheimer’s disease
A common bacterium best known for causing pneumonia and sinus infections may also play a surprising role in Alzheimer’s disease. Researchers found that Chlamydia pneumoniae can invade the retina and brain, where it sparks inflammation, nerve cell death, and the buildup of amyloid-beta—the hallmark protein linked to Alzheimer’s. Higher levels of the bacterium were found in people with Alzheimer’s, especially those carrying the high-risk APOE4 gene, and were tied to more severe cognitive decline.
Report underscores death toll of health care-related infections
Infections acquired in health care settings kill three times more people than car accidents each year.
How strep throat may trigger autoimmune disease
Growing research suggests the bacteria left behind by the common childhood infection may trick the immune system into attacking both the invader and the body's own cells.
Scientists create glowing wax moths to study infections
Engineered wax moth larvae may become a fast, low-cost way to study infections and screen new drugs before testing in mammals.
Four States Sue Administration Over Loss of Public Health Funds
The states, all led by Democrats, claim the cuts were intended as retribution and will harm efforts to control H.I.V. and other sexually transmitted infections.
Measles Cases Spread on Campuses
As the virus surges nationwide, experts say campuses are especially susceptible to outbreaks. Some institutions are already handling infections among their students.
When immune cells stop fighting cancer and start helping it
Scientists have uncovered a surprising way tumors turn the immune system to their advantage. Researchers at the University of Geneva found that neutrophils—normally frontline defenders against infection—can be reprogrammed inside tumors to fuel cancer growth instead. Once exposed to the tumor environment, these immune cells begin producing a molecule called CCL3 that actively promotes tumor progression.
New Mexico newborn dies from Listeria infection after mother drank raw milk while pregnant: state officials
Newborn dies from Listeria infection likely linked to mother drinking raw milk during pregnancy, according to New Mexico health officials who renewed warnings.
A newborn's death likely linked to the mom drinking raw milk while pregnant
Health officials in New Mexico have said a newborn baby died from a listeria infection likely linked to the child's mother drinking raw milk during pregnancy.
‘Biblical Diseases’ Could Resurge in Africa, Health Officials Fear
Parasites and infections that cause blindness and other disabilities were nearly eliminated in some countries, but drug distribution to prevent and treat them was derailed in many places in 2025 after the U.S. cut aid.
A parent’s guide to preventing measles infection and what to look for
Measles cases are rising in the U.S., and for many parents, it’s a never-before-seen disease. Here's how to spot the rash, and protect your family against this dangerous infection.
New Guide Aims to Improve UTI Care as Telehealth Use Grows
By I. Edwards HealthDay ReporterSUNDAY, Feb. 1, 2026 (HealthDay News) — Urinary tract infections, or UTIs, send millions of Americans to urgent care every year. But today, many people no longer see a doctor in person. Instead, they message their clinic, use video visits or fill out online forms to get antibiotics, sometimes ...
Feeling sick? Bad flu season gets worse as a 'second peak' looms.
Cases across the country had appeared to decline before new public health data showed upticks in infections.
What South Carolina’s soaring measles outbreak means for the rest of the U.S.
More than 840 measles infections have been reported in South Carolina, surpassing the tally in Texas last year. Public health experts say it shows the risks when vaccination coverage falls.
Measles cases in South Carolina rise by 58 to 847, state health department says
South Carolina reported 847 measles cases on Friday, state health data showed, including 58 additional infections since Tuesday, as officials warned the widening outbreak could last weeks or months amid lagging vaccine uptake.
Pakistan becomes latest Asian country to introduce checks for deadly Nipah virus
Authorities in Pakistan have ordered enhanced screening of people entering the country for signs of infections of the deadly Nipah virus after India confirmed two cases, adding to the number of Asian countries stepping up controls.
India reports two Nipah virus infections as Thai, Malaysia step up screening
India is monitoring Nipah virus infections, with two reported from its eastern state of West Bengal since December, the health ministry said, as some Southeast Asia nations step up scrutiny of air travellers.
Measles cases in South Carolina rise by 89 to 789, state health department says
South Carolina reported a surge to 789 measles cases on Tuesday, state health data showed, including 89 additional infections since Friday, as officials warned the widening outbreak could last weeks or months amid lagging vaccine uptake.
Scientists call for urgent action as dangerous amoebas spread globally
Scientists are warning that a little-known group of microbes called free-living amoebae may pose a growing global health threat. Found in soil and water, some species can survive extreme heat, chlorine, and even modern water systems—conditions that kill most germs. One infamous example, the “brain-eating amoeba,” can cause deadly infections after contaminated water enters the nose. Even more concerning, these amoebae can act as hiding places for dangerous bacteria and viruses, helping them evade disinfection and spread.
Dozens sickened as potentially deadly fungus spreads in southern state
A lung infection linked to bird and bat droppings has sickened dozens in Tennessee, prompting a state investigation into a possible fatal case.
Parkview Health explains how to easily prevent cervical cancer
Dr. Brzezinska says that virtually anyone sexually active is at risk for getting an HPV infection. Though mostly seen on the cervix, HPV can cause other cancers as well, even for men.
Viruses that evolved on the space station and were sent back to Earth were more effective at killing bacteria
Near-weightless conditions can mutate genes and alter the physical structures of bacteria and phages, disrupting their normal interactions in ways that could help us treat drug-resistant infections.
Scientists sent viruses to space and they evolved in surprising ways
When scientists sent bacteria-infecting viruses to the International Space Station, the microbes did not behave the same way they do on Earth. In microgravity, infections still occurred, but both viruses and bacteria evolved differently over time. Genetic changes emerged that altered how viruses attach to bacteria and how bacteria defend themselves. The findings could help improve phage therapies against drug-resistant infections.
Health board admits fatal infections probably caused by water system
NHS Greater Glasgow and Clyde had consistently denied its water system was responsible for causing infections which led to the deaths of cancer patients.
Spartanburg County measles outbreak grows by another 124 new cases
Measles infections continue to spread with no slowing down. The outbreak, centered in Spartanburg County, has grown by 382 cases since January began.
As cases of a rare, deadly infection rise, doctors worry fewer teens will get vaccinated
Under Robert F. Kennedy Jr.’s guidance, the CDC no longer recommends routine vaccination to protect against meningococcal disease.
A room full of flu patients and no one got sick
In a striking real-world experiment, flu patients spent days indoors with healthy volunteers, but the virus never spread. Researchers found that limited coughing and well-mixed indoor air kept virus levels low, even with close contact. Age may have helped too, since middle-aged adults are less likely to catch the flu than younger people. The results highlight ventilation, air movement, and masks as key defenses against infection.
People in Brazil are living past 110 and scientists want to know why
Scientists are uncovering why Brazil may be one of the most important yet underused resources for studying extreme longevity. Its highly diverse population harbors millions of genetic variants missing from standard datasets, including rare changes linked to immune strength and cellular maintenance. Brazilian supercentenarians often remain mentally sharp, survive serious infections, and come from families where multiple members live past 100. Together, they reveal aging not as inevitable decline, but as a form of biological resilience.
What viruses an infectious-disease doctor is watching for in 2026
I research virus outbreaks around the world. Here’s what I’ll be keeping an eye on in 2026 that could cause infections in unexpected places or cases.
Health Authorities Issue Measles Alert at Creationist Museum
In 2025, the U.S. had the most infections of the vaccine-preventable disease since 1992.
Rare flesh-eating infection leaves Montgomery County business owner in the hospital
A Montgomery County business owner is continuing to recover in the hospital after being diagnosed with a rare flesh-eating bacterial infection.
Health advances marked 2025, even as wars and funding cuts strained systems
From eliminating deadly infections to expanding access to lifesaving vaccines, 2025 delivered meaningful progress for global health, according to the UN World Health Organization (WHO), offering cautious optimism at the close of a year marked by both breakthroughs and strain.
Highly-contagious measles case confirmed in Contra Costa Co., health officials say
Contra Costa County health officials confirmed a measles infection in a person who was mingling in public places for about a week before being discovered. Measles can linger in the air or on surfaces for over an hour after a contagious person leaves the area, according to health officials.
Prisma moves to restrict child visitors in light of rising flu rates in SC
Greenville-based Prisma Health, which serves much of the Midlands and Upstate SC, is cutting child visitors as flu infections rise in South Carolina.
As tetanus vaccination rates decline, doctors worry about rising case numbers
The harrowing, deadly infection could make a comeback, especially in states vulnerable to climate-linked natural disasters, like Florida and Texas, an NBC News investigation finds.
Scientists find a weak spot in deadly fungus that shut down hospital intensive care units
A deadly hospital fungus that resists nearly every antifungal drug may have an unexpected weakness. Researchers discovered that Candida auris activates specific genes during infection to hunt for nutrients it needs to survive. This insight came from a new living-host model that allowed scientists to watch the fungus in action. The findings could eventually lead to new treatments or allow current drugs to be repurposed.
Embrace a Safe and Joyful Holiday Season
As we enter the holiday season, and we look forward to spending time with our loved ones, many Arizonans will travel to gather with family and friends, strengthen relationships and build memories together. This is also the time of the year when the risk of viral respiratory infections (COVID-19, Influenza, and RSV) is
Polk County Health Department shares tips for avoiding norovirus
A new report shows that Iowa has "medium" levels of infection.
FDA approves first new antibiotics to treat gonorrhea in decades, with hope to combat drug resistance
For the first time in decades, the US Food and Drug Administration has signed off on new antibiotics to fight gonorrhea. The approvals come at a critical moment: The sexually transmitted infection is growing harder to treat, and cases continue to climb nationwide.
NYC Health + Hospitals/Metropolitan Achieves Central Line-Associated Bloodstream Infection Rate of Zero - NYC Health + Hospitals
New York, NY – NYC Health + Hospitals/Metropolitan announced today that it has earned national recognition for achieving a central line-associated
Are university policies holding science back? Study shows how patenting boosts pure research
When UC Berkeley biochemist Jennifer Doudna first began studying how bacteria fight virus infections, she had no idea it would result in one of the most important scientific breakthroughs of the century. ...
How the cuts have shaken HIV/Aids care to its core and will mean millions more infections ahead
Reports highlight devastating impact of slashed funding, especially in parts of Africa, that could lead to 3.3m new HIV infections by 2030
Why winter worsens autoimmune symptoms, and how to prevent it - The Times of India
Winter exacerbates autoimmune symptoms due to declining Vitamin D, disrupted melatonin, increased viral infections, and dietary/lifestyle changes. Spe
New prevention tools and investment in services essential in the fight against AIDS
On World AIDS Day, the World Health Organization (WHO) calls on governments and partners to rapidly expand access to new WHO-approved tools including lenacapavir (LEN) to drive down infections and counter disruption to essential health services caused by cuts to foreign aid.