New-borns need to rely on the immunity inherited from their mother until their bodies get strong enough to handle inoculations - at approximately 6 months old. The innate immunity, howevery, starts to decrease after that first few weeks of life. According to a study revealed in the journal Paediatrics, women who get a flu shot during pregnancy can significantly reduce their infant's risk of acquiring influenza. The study examined health recorde of 245,000 pregnant women and more than 249,000 infants, which showed that those monthers who were vaccinated when pregnant had a 70 per cent reduction in laboratory-confirmed flu casws. It is widely known that pregnant women are one of the high-risk groups during influenza season, so get the vaccine - not just for yourself, but for your baby too.