As the coronavirus outbreak continues to spread in the U.S., the Centers for Disease Control and Prevention provided a grim reminder of the toll that the flu has taken on Americans. The CDC said that so far this season, about 20,000 people have died of the flu, including 136 children. The CDC's most recent flu report says that as of February 29, hospitalization rates among children aged 4 and under were the highest on record at this point in the season, surpassing rates reported during the 2009 H1N1 pandemic. The 136 children's deaths also mark the highest on record since...