[Miami, October 19. Image via Getty]

MIAMI - OCTOBER 19: Johana Villafuerte,6, receives a H1N1 nasal flu spray vaccine from nurse Shajaira Powell-Bailey at the Broadmoor Elementary school October 19, 2009 in Miami, Florida. The Miami-Dade County Health Department began distribution its initial shipments of the H1N1 Influenza vaccine and is launching a vaccination campaign in conjunction with the Miami-Dade County Public Schools, The Children�s Trust and The Trust�s partner health agencies. (Photo by Joe Raedle/Getty Images)