Early necrotising fasciitis is easily missed because the symptoms – fever, pain, swelling and tenderness at the affected site – may be non-specific or confused with a mild, superficial infection. Zurijeta/Shutterstock

Explainer: what causes necrotising fasciitis, the flesh‑eating bug?

Necrotising fasciitis is a serious infection that affects the soft tissue.
The new fingerprint test can detect Ebola in minutes. from shutterstock.com

New bedside test predicts Ebola infection in minutes

A new fingerprick test given at the patient’s bedside predicts Ebola infection within minutes.
The likelihood of cases presenting in Australia is currently low but we need to be prepared. Dan Peled/AAP

How would Australian hospitals respond to a case of Ebola?

As the Ebola outbreak continues in West Africa, hospitals and health systems are preparing for possible cases in Australia. What would this response look like? Australia has a system of “designated hospitals…
Border screening for Ebola is unlikely to be effective because the virus has a 21-day incubation period and early symptoms are similar to common infections such as malaria. EPA/AHMED JALLANZO

Ebola outbreak is cause for concern but there’s hope yet

The current outbreak of Ebola in West Africa is now the largest recorded since the virus was first described in 1976. That this outbreak is not under control after more than four months is cause for great…
A model of the bubonic plague bacterium, which is known as Yersina pestis. Tim Evanson/Flcikr

Explainer: what is the plague?

Cases of plague have been reported in the Chinese city of Yumen, where a man has died of the disease. Control measures taken by the authorities include travel restrictions in and out of the city, and 151…
The yellow fever mosquito Aedes aegypti, taking a bloodmeal. James Gathany/Public domain via Wikimedia Commons

Travelling to Brazil? Here’s what you should know about yellow fever

Of the dangers facing travellers to Brazil for the World Cup, yellow fever is one of the least likely to pose a real threat. But there are two important things to know about the illness. First, it’s a…
Scientists have discovered that the natural environment is a major reservoir of antibiotic resistant genes. Flickr: bizjournal

Study finds widespread antibiotic resistance in nature

Resistance to commonly used antibiotics are in the genes of bacteria everywhere, researchers at the University of Lyon in France have discovered. A worldwide study of the gene sequences of bacteria, published…
An Ebola virus as seen through an electron microscope, with added colour. EPA/CYNTHIA GOLDSMITH/CENTERS FOR DISEASE CONTROL AND PREVENTION

Explainer: what is Ebola virus?

An outbreak of the Ebola virus, which started in a rural region of Guinea in West Africa, has now spread to the nation’s capital Conakry. It now reportedly involves 122 people, of which 78 have died. Additional…
Most biologists argue viruses aren’t alive because they can’t replicate by themselves. Tom Thai/Flikr

Explainer: what is a virus?

It may seem like a fairly fundamental question, but there is still debate over whether viruses should be considered a form of life. The diversity of viral infections is immense. Viruses cause everything…
A lot of the illness we think of being caused by the ‘flu’ is actually due to other viruses. Kim Keegan

Is it really the flu? The other viruses making you ill in winter

Facts about Flu - Perhaps the misery you feel when ill in winter isn’t the fault of the much-maligned influenza virus after all. RSV, hMPV, CoV… these may all sound like random acronyms, but they are influenza’s…

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