If hospitals are not thoroughly cleaned, patients may be at higher risk of infection. We tested a new approach to hospital cleaning, and found it could reduce infections and save money.
A surprising number of people are catching pneumonia or urinary tract infections in hospital, a new Australian study shows for the first time.
From face-touching to virus-contaminated electronic devices, a scientist offers some tips on eradicating the flu virus from your home.
Lassa outbreaks are becoming more widespread in Nigeria but have not been given national emergency status like Ebola.