There's no evidence you can spread the novel coronavirus before showing symptoms, but one study suggests it's possible for children and young people to be infectious without ever having symptoms.
A major review by UNSW researchers has identified strong evidence that a virus called Enterovirus D68 is the cause of a mystery polio-like illness that has paralysed children in the US, Canada and Europe.
Antimicrobial resistance is sometimes called an "epidemic" and some experts predict it will cause 10 million deaths by 2050, but new research puts it into perspective.
How is it the flu has managed to stay around for so long, and why haven't we beaten it yet?
There are better ways to boost vaccination rates than excluding kids from child care, writes Raina MacIntyre.
Between 2008 and 2011, there were more than 700 deaths in older Australians due to vaccine-preventable diseases, writes Raina Macintyre.
UNSW research shows the HPV vaccine Gardasil may also benefit children with weakened immune systems who are at higher risk of HPV-related cancers.
If you want to reduce your odds of getting the flu this year get vaccinated as early as possible, write Raina MacIntyre and Aye Moa.
As disease prevention targets increase, needle-free technology will become increasingly attractive, write Raina MacIntyre, Daniel Salmon and Elizabeth Kpozehouen.
The means of engineering potentially deadly avian influenza is freely available on the internet, writes Raina MacIntyre.