wo items of note can be considered good news. First, there   is more reassurance for parents about 

thimerosal and measles-mumps-rubella   (MMR) vaccine

: In mid-May, the Immunization Safety Review Committee of the   Institute of Medicine issued a final report on a purported connection between   autism and the MMR vaccine and other thimerosal-containing vaccines. The committee's   conclusion? Epidemiologic evidence doesn't support any connection. 

supply of the conjugate pneumococcal vaccine (PCV7, Prevnar)

   is catching up with CDC requirements for its administration, and dosing restrictions   may be lifted soon. According to CDC National Vaccine Program Office Medical   Director Gregory Wallace, "current projections suggest that supply will be adequate   for a three-dose coverage in the summer and a four-dose coverage in the fall."   Wyeth, the vaccine's sole manufacturer, has been plagued by manufacturing problems   but says that its "significant investment" in production facilities should avert   shortages in the future. 