The video debuted at a flu fair in October and was posted on internal Web sites. Early data show that HUP has vaccinated nearly 20 percent more staff this season.
No one claims a music video made all the difference.
Indeed, appeals to health workers' altruism do not improve vaccination rates, said Jonathan McCullers, an expert on staff vaccination at St. Jude Children's Research Hospital in Memphis.
Still, Neil Fishman, a HUP infection-control specialist, plans to present the video at the Society for Healthcare Epidemiology of America's meeting in San Diego in March.