According to the World Health Organisation, there are around one billion cases of seasonal influenza each year. - ILLUSTRATION: UNSPLASH
SINGAPORE: Although influenza – better known as flu – is a common illness that most people recover from without treatment, it can result in life-threatening or even deadly complications.
On Feb 3, news broke that Taiwanese star Barbie Hsu had died, after she caught influenza-related pneumonia during a holiday in Japan.
