Although some may suggest that more educational programs for healthcare workers may be a solution to the low vaccination uptake [13] , studies have reported low influenza vaccination rates among healthcare workers even when educational programs were implemented [10] . Other studies including randomized controlled trials also failed to show that better knowledge or educational programmes (27) Other concerns (i.e. pregnancy, poor health status, and the severity of the epidemic of H1N1) 10 (<0.1)