Why aren’t the US Centers for Disease Control and Food and Drug Administration speaking with one voice on flu?

Lenzer J. BMJ. 2015-02-05 14:40:22, 2015;350.
The flu hype – and the money behind the CDC’s “Take 3” campaign.

The US Centers for Disease Control and Prevention has launched an ambitious campaign urging people to take an antiviral drug for flu if one is prescribed by a doctor, saying that it could “save lives.” The claim is at the center of a heated controversy.