Infectious Diseases News

May 23, 2026

Top Headlines

This Silent Tooth Infection Could Be Hurting Your Whole Body

May 15, 2026 Scientists are uncovering a surprising link between hidden tooth infections and blood sugar problems. Deep infections around tooth roots can create chronic inflammation that spreads through the body and may interfere with insulin function. Studies ...

Scientists Discover a Weak Spot Shared by Polio and Common Cold Viruses

May 12, 2026 Scientists at the University of Maryland, Baltimore County, have uncovered a crucial trick used by enteroviruses—the group behind diseases like polio, myocarditis, encephalitis, and even the common cold—to reproduce inside human cells. The team ...

Scientists Discover a New Way to Prevent Gum Disease Without Killing Good Bacteria

May 8, 2026 Scientists have uncovered a surprising way to influence the bacteria living in our mouths — not by killing them, but by interrupting how they “talk” to each other. Researchers found that dental ...

Scientists Find Natural Compounds That Hit COVID-19 from Every Angle

May 7, 2026 A little-known tree from Brazil’s Atlantic Forest may hold a surprising weapon against COVID-19. Researchers discovered that compounds called galloylquinic acids, extracted from its leaves, can attack SARS-CoV-2 on multiple fronts—blocking the ...

Scientists Sound Alarm as Dangerous Amoebas Spread Globally

May 2, 2026 Free-living amoebae are emerging as a global health concern, fueled by warming temperatures and outdated water systems. While many are harmless, some can cause deadly infections and even protect other dangerous microbes. Their ability to survive ...

Ancient Mass Grave Reveals How a Pandemic Wiped Out a City 1,500 Years Ago

Apr. 23, 2026 A newly confirmed mass grave in ancient Jordan offers chilling insight into one of history’s first pandemics. Hundreds of plague victims were buried within days, revealing how the Plague of Justinian devastated entire communities. The findings ...

Hidden Virus in Your Gut May Be Linked to Colon Cancer

Apr. 22, 2026 A newly discovered virus hiding inside a common gut bacterium could help explain one of medicine’s long-standing mysteries: why a microbe found in both healthy people and cancer patients is linked to colorectal cancer. The research suggests that ...

Scientists Discover Bacteria Can “Explode” to Spread Antibiotic Resistance

Apr. 17, 2026 Scientists have uncovered a surprising twist in how bacteria share genes—including those that spread antibiotic resistance. Tiny virus-like particles called gene transfer agents (GTAs), once ...

The Dirtiest Thing in Public Bathrooms Isn’t the Toilet Seat

Apr. 13, 2026 Public restrooms might seem like a germ nightmare, but the real risks aren’t always where you think. While toilet seats can carry bacteria, viruses, and even parasite traces, studies show they’re often cleaner than high-touch surfaces like door ...

Hidden Weak Spots in HIV and Ebola Revealed with Breakthrough Nanodisc Technology

Apr. 12, 2026 A new nanodisc-based platform lets scientists study viral proteins in a form that closely mimics real viruses, revealing how antibodies truly recognize them. This approach uncovered hidden ...

Scientists Finally Crack Mystery of Rare COVID Vaccine Blood Clots

Apr. 10, 2026 Researchers have uncovered why a rare blood clotting disorder can occur after certain COVID-19 vaccines or adenovirus infections. The immune system can mistakenly target a normal blood protein (PF4) after confusing it with a viral protein. This ...

This Diet Could Slash Cholera Infections by Up to 100x

Apr. 7, 2026 A surprising new study reveals that what you eat could play a powerful role in fighting cholera, a deadly diarrheal disease. Researchers found that diets rich in certain proteins—especially casein from dairy and wheat gluten—can dramatically ...

Latest Headlines

updated 10:47am EDT

Scientists Discover Skincare Compound That Kills Drug-Resistant Bacteria

Apr. 21, 2026 A popular Korean skincare ingredient may be far more powerful than anyone realized. Scientists have discovered that madecassic acid—derived from the herb Centella asiatica—can stop ...

A Drug Already in Trials May Finally Stop Hepatitis E

Apr. 6, 2026 Scientists have identified a potential new weapon against hepatitis E, a virus with no approved treatment and tens of thousands of deaths each year. The drug bemnifosbuvir, currently in trials for ...

This New Test Could Transform UTI Treatment With Same-Day Results

Mar. 31, 2026 A breakthrough urine test could dramatically speed up how doctors treat urinary tract infections, identifying the right antibiotic in under six hours instead of waiting days. By testing directly from ...

Scientists Find Immune Cell Linked to Long COVID Fatigue and Symptoms

Mar. 26, 2026 Long COVID remains a frustrating medical mystery, affecting up to 1 in 10 people long after the initial infection fades. Now, scientists have uncovered a crucial clue hidden deep within the immune ...

Hidden Antibiotics in River Fish Spark New Food Safety Fears

Mar. 21, 2026 Antibiotics are accumulating in a major Brazilian river, especially during the dry season when pollution becomes more concentrated. Scientists even detected a banned drug inside fish sold for food, ...

This Common Vaccine Cuts Heart Risk Nearly in Half in New Study

Mar. 20, 2026 A shingles vaccine might double as a powerful heart protector. In people already at high risk, it cut major cardiac events by 46% and deaths by an impressive 66% within a year. Scientists think ...

Scientists Discover Tiny Rocket Engines Inside Malaria Parasites

Mar. 19, 2026 Malaria parasites contain tiny spinning crystals that have puzzled scientists for years. New research reveals they’re powered by a rocket-like reaction that breaks down hydrogen peroxide, releasing ...

DNA Origami Vaccines Could Be the Next Leap Beyond mRNA

Mar. 17, 2026 mRNA vaccines saved millions of lives during COVID-19 but have limitations like waning immunity and complex production. Scientists are now testing a new platform called DoriVac, which uses folded DNA ...

MIT Scientists Discover Gut Protein That Traps and Kills Dangerous Bacteria

Mar. 16, 2026 Scientists at MIT have discovered that a little-known protein called intelectin-2 plays a powerful double role in defending the gut. The protein strengthens the mucus layer that lines the ...

Scientists Tested Vitamin D for COVID and Found an Unexpected Long COVID Clue

Mar. 15, 2026 A major clinical trial has delivered an unexpected twist in the search for ways to fight COVID-19 and its lingering effects. Researchers at Mass ...

Severe COVID or Flu May Raise Lung Cancer Risk Years Later

Mar. 13, 2026 A severe case of COVID-19 or influenza could increase the risk of lung cancer later on, according to new research. Scientists discovered that serious viral infections can alter immune cells in the ...

Scientists Discover the Protein That Malaria Parasites Can’t Live Without

Mar. 5, 2026 Scientists have uncovered a crucial weakness in the malaria parasite that could open the door to new treatments. Researchers identified a protein called Aurora-related kinase 1 (ARK1) that acts like ...

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 ...

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 ...

Scientists Finally Reveal Why Mint Feels Cold

Mar. 8, 2026 Scientists have revealed how the body’s microscopic cold sensor, TRPM8, detects both chilly temperatures and the cooling effect of menthol. The discovery finally shows how the sensation of ...

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 ...

Monty Python Got It Wrong About Medieval Disease

Mar. 13, 2026 In medieval Denmark, people could pay for more prestigious graves closer to the church — a sign of wealth and status. But when researchers examined hundreds of skeletons, they discovered something ...

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 ...

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, ...

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 ...

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 ...

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 ...

New Nasal Vaccine Shows Strong Protection Against H5N1 Bird Flu

Feb. 4, 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 ...

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 ...

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 ...

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 ...

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 of ...

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. ...