Fact check: Are your chances of getting the flu after a vaccination only decreased by 1 to 2 per cent?
Australia is well into the midst of winter, and with the cold weather comes flu.
Influenza is a global health problem that affects 3-5m people a year and causes fatalities among the very old, the very young, and those with existing medical conditions. The virus spreads through contact. When we look at people’s social networks, an inter-connected web emerges that can help disease spread.