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Australia’s diphtheria outbreak shows why boosters, antibiotics, and better housing all matter

A 131-case diphtheria outbreak in Australia’s Northern Territory showed how toxigenic Corynebacterium diphtheriae can re-emerge even in highly vaccinated populations. Genomic and epidemiological evidence linked most cases to a dominant ST381 strain, with transmission shaped by overcrowding, poor skin health, and persistent health inequities.

15 Jun 2026

Researchers discover 45 new toxins produced by Salmonella bacteria

Researchers at the University of São Paulo (USP) in Brazil have discovered 45 new toxins produced by Salmonella bacteria, some of which are associated with foodborne infections.

11 Jun 2026

Study: Antibiotic resistance is increasing in Shiga toxin-producing E. coli

Resistance to antimicrobial agents is rising among human infections with Escherichia coli bacteria that produce the Shiga toxin, according to a study analyzing data from nearly 2,000 infections in the United States between 2010 and 2021.

8 Jun 2026

Genetically-modified hookworms successfully deliver medicine to animal hosts

Hookworms, intestinal parasites that infect hundreds of millions of people in under-resourced tropical regions around the globe, have evolved to survive inside the human gut for years, secreting molecules that enable co-existence with their hosts.

3 Jun 2026

Aged immune cells may drive memory decline by releasing a brain-aging protein

A preclinical mouse study in Immunity suggests that aged circulating CD8+ T cells can disrupt hippocampal function and impair learning and memory. The findings point to granzyme K, a secreted factor linked to age-associated CD8+ T cells, as a potential target for restoring aspects of cognition in aging.

17 May 2026

The complex peptide mixture that makes ant venom a powerful shield

In addition to serving as biochemical weapons for offense and defense, the venoms produced by ants in the subfamily Formicinae also fulfill additional roles. For example, the ants use it to protect their nests from pathogens. It has long been assumed that the primary constituent of these venoms, formic acid, was responsible for these functions.

14 May 2026

Researchers uncover how bacterial toxin damages colon lining cells to trigger cancer

Since a landmark 2009 study, researchers have known that a common gut bacterium, Bacteroides fragilis, drives colon tumor formation, potentially leading to colorectal cancer, by secreting a toxin that damages the lining of the colon.

8 May 2026

A more accurate tool for assessing Arsenic toxicity

Public health experts estimate that more than 200 million people worldwide are exposed to arsenic through contaminated drinking water. Scientists know long-term exposure to arsenic is associated with increased risk of chronic illnesses like cancer and cardiovascular disease, but there hasn't been a reliable way to track these exposures and fully understand their effects on the body and the mechanisms behind them.

4 May 2026

Pathogens drive inflammation by reprogramming host cell metabolic processes

An intestinal pathogen reshapes the gut environment to fuel its own colonization and cause diseases, a multi-institutional team including researchers at Vanderbilt Health has discovered.

30 Apr 2026

Engineered gut bacteria successfully treat metabolic drivers of liver disease

When the liver fails, toxins - such as ammonia - that should be filtered from the blood build up and reach the brain.

28 Apr 2026

Xuebijing injection reduces inflammation and ferroptosis in acute lung injury

Using an LPS-induced ALI mouse model and LPS-stimulated alveolar macrophages, they found XBJ reduced inflammatory cytokine surges, preserved alveolar barrier integrity, and limited tissue injury, while probing the molecular pathways and intracellular targets underlying these benefits.

7 Apr 2026

Study questions benefits of fish oil after mild brain injuries

A first-of-its-kind study led by the Medical University of South Carolina raises questions about the value of fish oil supplements for people with repetitive mild traumatic brain injuries.

7 Apr 2026

Plastic chemicals linked to nearly two million premature births

Exposure to a chemical commonly used to make plastic more flexible may have contributed to about 1.97 million preterm births in 2018 alone, or more than 8 percent of the world's total, a new analysis of population surveys shows.

31 Mar 2026

How gut imbalance may drive obesity, diabetes, and heart disease

A new review argues that gut dysbiosis is closely linked to metabolic dysfunction through intertwined effects on inflammation, oxidative stress, gut barrier integrity, microbial metabolites, and epigenetic regulation. It also highlights microbiome-targeted strategies such as high-fiber diets, probiotics, prebiotics, postbiotics, exercise, and fecal microbiota transplantation as promising ways to support metabolic health.

30 Mar 2026

Study reveals new way to fully regenerate the scarred skin

Could wounded skin someday regrow perfectly without scars?

23 Mar 2026

Study links gut microbiome imbalance to worsening kidney disease

Researchers at UC Davis School of Medicine have uncovered how an imbalanced gut microbiome escalates the production of metabolic byproducts by certain gut bacteria.

19 Mar 2026

Postbiotics may help treat PCOS by restoring microbiome balance

Emerging studies suggest postbiotics could aid PCOS management by restoring gut microbiome balance and enhancing insulin sensitivity and hormonal regulation.

10 Mar 2026

Using engineered bacteria to breach tumor defenses

Baylor University researchers have published a novel approach to fight colorectal cancer, using modified bacteria as a courier to deliver potent cancer-killing proteins into tumor cells. Michael S. VanNieuwenhze, Ph.D., FRSC, University Distinguished Professor and chair of the Department of Biology, along with Baylor doctoral students and a colleague at Texas Tech University Health Sciences Center, published their promising research in Cell Chemical Biology.

10 Mar 2026

Tufts researchers identify new vulnerabilities to combat persistent C. diff infections

Affecting roughly half a million Americans each year, bacterial infections caused by Clostridioides difficile—commonly known as C. diff—are a serious and persistent problem for patients and hospitals alike.

5 Mar 2026

ATP delivery fixes dysfunctional dopamine packaging in Parkinson's neurons

A new study shows how dysfunctional packaging of the neurotransmitter dopamine triggers toxic processes in neurons - and how this can be repaired with simple delivery of energy (ATP).

2 Mar 2026