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New Year, New Flu, New Troubles

It's that time of year again: flu season. Once again, the influenza virus has showed up in Canada threatening up to 20 per cent of the population. For the vaccine to be effective, it has to perfectly mimic the viruses in nature. This is actually harder than one might think as influenza is the master of evolutionary disguise.
Many people ask the question: Do I have the cold or the flu? Also, there is the H1N1 strain and the seasonal flu. Here are some the common answers to questions about the flu.