Infectious Diseases News

March 2, 2026

Top Headlines

Scientists Discover a Bacterial Kill Switch and It Could Change the Fight Against Superbugs

Feb. 28, 2026 Drug-resistant bacteria are becoming harder to treat, pushing scientists to look for new antibiotic targets. Researchers have now discovered that several unrelated viruses disable a key bacterial ...

Shingles Vaccine May Slow Biological Aging and Reduce Inflammation

Feb. 26, 2026 A shingles shot might do more than prevent a painful rash — it could actually help slow down the aging process. In a large national study of more than 3,800 Americans age 70 and older, those who received the shingles vaccine showed slower ...

Scientists Engineer Bacteria to Eat Cancer Tumors from the Inside Out

Feb. 24, 2026 Researchers are engineering bacteria to invade tumors and consume them from the inside. Because tumor cores lack oxygen, they’re the perfect breeding ground for these microbes. The team added a genetic tweak that helps the bacteria survive longer ...

Scientists Create Universal Nasal Spray Vaccine That Protects Against COVID, Flu, and Pneumonia

Feb. 23, 2026 Scientists at Stanford Medicine have unveiled a bold new kind of “universal” vaccine that could one day protect against everything from COVID-19 and the flu to bacterial pneumonia and even common ...

Frozen for 5,000 Years, This Ice Cave Bacterium Resists Modern Antibiotics

Feb. 21, 2026 Deep inside a Romanian ice cave, locked away in a 5,000-year-old layer of ice, scientists have uncovered a bacterium with a startling secret: it’s resistant to many modern antibiotics. Despite predating the antibiotic era, this cold-loving microbe ...

Common Pneumonia Bacterium May Fuel Alzheimer’s Disease

Feb. 21, 2026 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 ...

This Reengineered HPV Vaccine Trains T Cells to Hunt Down Cancer

Feb. 18, 2026 Northwestern researchers have shown that when it comes to cancer vaccines, arrangement can be just as important as ingredients. By repositioning a small fragment of an HPV protein on a DNA-based nanovaccine, the team dramatically strengthened the ...

Breakthrough CRISPR System Could Reverse Antibiotic Resistance Crisis

Feb. 18, 2026 Antibiotic resistance is racing toward a global crisis, with “superbugs” projected to cause over 10 million deaths annually by 2050. Now, scientists at UC San Diego have unveiled a powerful new CRISPR-based tool that doesn’t just fight ...

Large Study Finds No Link Between MRNA COVID Vaccine in Pregnancy and Autism

Feb. 15, 2026 Researchers tracked more than 400 toddlers to see whether mRNA COVID-19 vaccination during or just before pregnancy was linked to autism or developmental delays. After detailed assessments of speech, ...

Scientists Discover How Life Experiences Rewrite the Immune System

Feb. 11, 2026 Why does the same virus barely faze one person while sending another to the hospital? New research shows the answer lies in a molecular record etched into our immune cells by both our genes and our life experiences. Scientists at the Salk Institute ...

How COVID and H1N1 Swept Through U.S. Cities in Just Weeks

Feb. 7, 2026 New simulations reveal that both H1N1 and COVID-19 spread across U.S. cities in a matter of weeks, often before officials realized what was happening. Major travel hubs helped drive rapid nationwide transmission, with air travel playing a bigger ...

Scientists Found a Sugar That Could Defeat Deadly Superbugs

Feb. 6, 2026 Scientists in Australia have uncovered a clever new way to fight some of the most dangerous drug-resistant bacteria by targeting a sugar that exists only on bacterial cells. By designing antibodies that recognize this unique sugar, researchers were ...

Latest Headlines

updated 12:20pm EST

New Nasal Vaccine Shows Strong Protection Against H5N1 Bird Flu

Feb. 5, 2026 As bird flu continues to circulate in animals and spill over into humans, researchers are racing to stop it before it adapts to spread widely between people. A new nasal spray vaccine showed strong ...

A Hidden Bat Virus Is Infecting Humans

Feb. 1, 2026 Researchers in Bangladesh have identified a bat-borne virus, Pteropine orthoreovirus, in patients who were initially suspected of having Nipah virus but tested negative. All had recently consumed raw ...

Why Long COVID Brain Fog Seems So Much Worse in the U.S.

Jan. 28, 2026 A massive international study of more than 3,100 long COVID patients uncovered a striking divide in how brain-related symptoms are reported around the world. In the U.S., the vast majority of ...

The Bottled Water Everyone Trusts May Be the Riskiest

Jan. 23, 2026 In Guatemala’s Western Highlands, researchers found that the drinking water people trust most may actually be the riskiest. Bottled water from refillable jugs—seen as the safest choice—was ...

Why Some People Get Bad Colds and Others Don’t

Jan. 22, 2026 Scientists found that nasal cells act as a first line of defense against the common cold, working together to block rhinovirus soon after infection. A fast antiviral response can stop the virus ...

Scientists Are Building Viruses from Scratch to Fight Superbugs

Jan. 21, 2026 Researchers from New England Biolabs (NEB®) and Yale University describe the first fully synthetic bacteriophage engineering system for Pseudomonas aeruginosa, an antibiotic-resistant bacterium ...

Tiny Doses of THC Show Big Benefits for HIV Treatment

Jan. 21, 2026 A new study suggests that micro-doses of THC could help counter many long-term side effects of HIV treatment without causing intoxication. In animal models, low-dose THC reduced inflammation, ...

Scientists Discover Why Some Wounds Refuse to Heal

Jan. 20, 2026 Scientists have uncovered a surprising reason why some chronic wounds refuse to heal, even when treated with antibiotics. A common bacterium found in long-lasting wounds does not just resist drugs. ...

A Global DNA Study Reveals a Hidden Threat in Diabetic Foot Infections

Jan. 20, 2026 Scientists have uncovered new clues about why diabetic foot infections can become so severe and difficult to treat. By analyzing the DNA of E. coli bacteria taken from infected wounds around the ...

Vitamin A May Be Helping Cancer Hide from the Immune System

Jan. 16, 2026 A vitamin A byproduct has been found to quietly disarm the immune system, allowing tumors to evade attack and weakening cancer vaccines. Scientists have now developed a drug that shuts down this ...

A New Test Reveals Which Antibiotics Truly Kill Bacteria

Jan. 12, 2026 Some antibiotics stop bacteria from growing without actually killing them, allowing infections to return later. Scientists at the University of Basel created a new test that tracks individual ...

A Room Full of Flu Patients and No One Got Sick

Jan. 11, 2026 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 ...

Long COVID May Be Fueled by Inflammation and Tiny Clots

Jan. 8, 2026 Long COVID affects an estimated 65 million people worldwide and can damage the brain, heart, blood vessels, and immune system long after infection. Researchers now link symptoms to lingering virus, ...

Stanford Scientists Uncover Why mRNA COVID Vaccines Can Trigger Heart Inflammation

Dec. 27, 2025 Stanford scientists have uncovered how mRNA COVID-19 vaccines can very rarely trigger heart inflammation in young men — and how that risk might be reduced. They found that the vaccines can spark a ...

Researchers Identify Viral Suspects That Could Be Fueling Long COVID

Dec. 14, 2025 Scientists are uncovering a new possibility behind long COVID’s stubborn symptoms: hidden infections that awaken or emerge alongside SARS-CoV-2. Evidence is mounting that viruses like Epstein-Barr ...

AI Finds a Surprising Monkeypox Weak Spot That Could Rewrite Vaccines

Dec. 12, 2025 Researchers used AI to pinpoint a little-known monkeypox protein that provokes strong protective antibodies. When the team tested this protein as a vaccine ingredient in mice, it produced a potent ...

This 15 Minute Hepatitis C Test Could Change Everything

Dec. 11, 2025 Northwestern scientists have created the fastest-ever hepatitis C diagnostic, delivering accurate results in only 15 minutes. The test uses the DASH rapid PCR system, originally developed for COVID, ...

Kids’ Anxiety and Depression Dropped Fast After COVID School Reopenings

Dec. 13, 2025 Researchers discovered that children who went back to school during COVID experienced far fewer mental health diagnoses than those who stayed remote. Anxiety, depression, and ADHD all declined as ...

Scientists Uncover a Volcanic Trigger Behind the Black Death

Dec. 8, 2025 A newly analyzed set of climate data points to a major volcanic eruption that may have played a key role in the Black Death’s arrival. Cooling and crop failures across Europe pushed Italian states ...

Scientists Capture Flu Viruses Surfing Into Human Cells in Real Time

Dec. 4, 2025 Scientists have captured a never-before-seen, high-resolution look at influenza’s stealthy invasion of human cells, revealing that the cells aren’t just helpless victims. Using a groundbreaking ...

A Routine Shingles Shot May Offer Powerful Defense Against Dementia

Dec. 3, 2025 A unique vaccine rollout in Wales gave researchers an accidental natural experiment that revealed a striking reduction in dementia among seniors who received the shingles vaccine. The protective ...

Bird Flu’s Surprising Heat Tolerance Has Scientists Worried

Nov. 28, 2025 Researchers discovered why bird flu can survive temperatures that stop human flu in its tracks. A key gene, PB1, gives avian viruses the ability to replicate even at fever-level heat. Mice ...

Garlic Mouthwash Shows Shockingly Strong Germ-Fighting Power

Dec. 8, 2025 Garlic extract is emerging as a surprisingly powerful contender to chlorhexidine, the long-standing “gold standard” in antimicrobial mouthwashes. A systematic review of clinical studies shows ...

A New Way to Prevent Gum Disease Without Wiping out Good Bacteria

Dec. 16, 2025 Scientists are uncovering a surprising way to influence bacteria—not by killing them, but by changing how they communicate. Researchers studying oral bacteria found that disrupting chemical signals ...

A Tiny Ancient Virus Reveals Secrets That Could Help Fight Superbugs

Nov. 17, 2025 Scientists mapped the Bas63 bacteriophage in unprecedented detail, uncovering how its tail machinery infects bacteria. The structure reveals rare whisker-collar features and distant evolutionary ties ...

NAD+ Supplement Shows Early Promise for Long COVID Fatigue and Brain Fog

Dec. 11, 2025 Long COVID still affects people worldwide with stubborn symptoms like fatigue and cognitive issues. A clinical trial tested whether boosting NAD+ using nicotinamide riboside could help. Although ...

Strange Microscopic Structures Found in Long COVID Blood

Nov. 12, 2025 Scientists have discovered strange microscopic structures in the blood of people with Long COVID—clusters of tiny microclots tangled together with sticky immune webs known as neutrophil ...

COVID Vaccine Linked to Fewer Infections and Allergies in Kids With Eczema

Nov. 8, 2025 New research suggests the COVID-19 vaccine could help children with eczema stay healthier overall. Vaccinated kids had lower rates of infections and allergies, including asthma and rhinitis, compared ...

A Shapeshifting Protein Explains Rabies’ Deadly Power

Nov. 5, 2025 Researchers discovered how rabies virus exerts massive control over host cells with very few genes. A key viral protein changes shape and binds RNA, allowing it to infiltrate different cellular ...

Stunning New 3D Images Reveal Yellow Fever’s Hidden Structure

Nov. 27, 2025 University of Queensland researchers visualized yellow fever virus particles at near-atomic detail, uncovering major structural differences between vaccine and virulent strains. The insights could ...