According to a recent report by CBS, 92% of Pregnant Women who had the H1N1 vaccine had Adequate Immunity 21 days after Receiving a Single Dose.
According to the report, a single dose of the swine flu vaccine works well for almost all pregnant women, but young children will still need two doses.
Children aged 6 months to 35 months just one in four had a strong immune response after 21 days. For those 3 years to 9 years old it was 55 percent. There was a sharp improvement after a second dose, he said, raising the fully protected rate to 100 percent in those 6 months to 35 months and 94 percent in those aged 3 years to 9 years.
Source:
www.cbsnews.com/stories/2009/11/02/health/main5497902.shtml