LOS ANGELES - The U.S. Centers for Disease Control and Prevention has notified public health officials in all 50 states to begin planning and preparing to distribute a potential vaccine as soon as October or November.Documents sent to the states by the CDC were first posted by The New York Times, and the CDC confirmed to FOX TV Stations their authenticity.The CDC plan laid out specifications for a potential vaccine, including requirements for distribution, storage and administration."For the purpose of initial planning, CDC provided states with certain planning assumptions as they work on state specific plans for vaccine distribution, including possibly having limited quantities of vaccines in October and November," a spokesperson with the.