Armed with a black bag and blackberry, DeJonge visits mostly the elderly who either can't get to a hospital or are so ill that moving them would prove life-threatening.

CNN: Black bag and Blackberry in hand, this doc makes house calls

Employees targeted by bully bosses stand a 64% chance of losing their jobs, the institute says, because they get fired or the bullying makes them too ill to work.

FORBES: What To Do When You Work For A Bully

People may get more complications from this particular strain of H3N2, "which may make them ill for a longer period of time, " Dr. Michael Jhung, medical epidemiologist in the influenza division at CDC, told CNN's Mary Snow.

CNN: Flu picks up steam across the U.S.