The seasonal flu has been less problematic for younger people, but I believe that the elderly (over 30, 000 die of seasonal flu related complications every year) are sufficiently at risk that the health care workers who treat them should be vaccinated every year for the flu, not just when a pandemic hits.

FORBES: Vaccinate Health Care Workers

Health care workers in contact with patients should also make sure to get vaccinated against whooping cough.

CNN: Vaccination role unclear in whooping cough outbreak