Here's information from Kid's Healthgate with some of the latest, including information about mercury preservatives used in the vaccine.
Seniors at high risk for H1N1 (swine flu)
5 months ago
Transmissions of the virus between the infected mother and the unborn child occurs in approximately 4 out of every 100 births. This rate increases 2 to 3 times more if the mother is also infected with HIV. There is nothing that can help prevent the infected mother from infecting her unborn child with the hepatitis c virus. Most infants infected with the hepatitis c virus remain healthy throughout childhood. The long term effects of this virus have not been thoroughly studied in babies that have contracted the virus from birth to adulthood.