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Since the beginning of the season, 20 children have died as a result of the flu, the CDC reports.
Flu season is particularly bad this year due to a nasty strain of flu, called H3N2, that has not been seen in around nine years. As a result, our bodies have not built up the proper defenses against it.
The last time the H3N2 strain circulated was during the 2003-2004 flu season, which was also an early and severe flu year.
This flu surveillance map from the CDC gives you an idea of how widespread flu activity is.