Infectious Diseases

It's never a good thing when harmful bacteria are present on surfaces in hospitals, as they can cause life-threatening infections in patients. A new paint could help keep that from happening, by quickly killing any microbes that land on it.

A three-year study has found robust evidence that one vaccine for respiratory syncytial virus offers older adults long-term protection, even if efficacy wanes. Despite this, just one dose cut serious illness by nearly two thirds across three seasons.

A decade-long study of 35 million Americans in 10 states has found that group A streptococcus infections have more than doubled. What's more, "strep" – which can cause a bizarre flesh-eating disease – has become increasingly resistant to antibiotics.

COVID antiviral Paxlovid wasn't perfect. Many patients couldn't take it due to extreme side effects but now the second generation of antivirals are on the way and they promise better efficacy and fewer drug complications.

Human protection against bird flu may be easier than previously thought, thanks to new findings about the genetic makeup of the virus and one particular immune cell that all of us have. It also paves the way for fast-tracking the first H5N1 vaccine.

We've almost all been hit with a horror stomach bug. At best, it's a 24-hour nightmare, and at worst it's deadly. But huge strides are being taken towards the first Salmonella and norovirus vaccines, which could make severe illness a distant memory.

A coughing, sneezing, 3D-printed model of the human nose and upper airway has provided researchers with a better understanding of how airborne infections are transmitted. The knowledge will aid in developing effective ways of reducing that spread.

We all know that a balanced diet made up of unprocessed foods is a recipe for gut health, but scientists have now found just how one nutrient – fiber – can trigger a microbiotic chain reaction that shields the body from influenza and other viruses.

If you were given a choice of vaccine delivery method, would you rather a needle or a skin cream? Thought so. Well, the latter might be a viable option soon, as Stanford scientists have used a topical cream to strongly vaccinate mice against tetanus.

Mosquitoes do a superb job of spreading diseases like malaria – now researchers have shown it's possible to hijack these pests and distribute vaccines via mosquito bite. In human trials, these mozzie-borne vaccines proved around 90% effective.

A. baumannii bacteria is a nasty antibiotic-resistant bug that thrives in hospitals, where it takes advantage of weakened immune systems. Researchers have now found the bacteria's secret weapon and have ideas on how to use it for good.

Many people still often wear masks, either to keep from spreading viruses that they've got, or to manage a respiratory problem. An experimental new mask takes things a step further, by analyzing its wearer's breath to check their state of health.

Scientists are again on high alert, as whole genome sequencing of the H5N1 virus has revealed that it is capable of multidirectional infections across species. While human risk is low, it's a step forward for the pathogen in this biological arm's race.

A twice-a-year injectable drug has been shown to be 100% effective in preventing the spread of HIV, according to the first data from a clinical trial. If approved, the drug offers another preventive option and puts us a step closer to eradicating HIV.

A new device has been shown to protect wearers from airborne viruses while leaving their face mask-free. It blocks microbes via a curtain of air which has itself been pretreated to kill any viruses present within it.