How to prevent the flu?

The weather is getting warmer in Australia, but there are an increasing number of people catching the flu this year. According to a number of media reports, 70,000 people have been infected and 3,000 people might be to die. So, how to distinguish the difference between cold and flu? Should everyone need to be vaccinated? If you are unlucky to have the flu, what emergency measures should be taken to prevent the virus? Doctor Chen shared the information of how to deal with the flu in this season.

Source: SBS