Tetanus is sometimes called lockjaw because of the stiffness it can cause in the neck Adult tetanus booster jaw. Following the primary vaccination course, the National Immunisation Program Schedule recommends booster doses at 4 years and 10 to 17 years. There are many misconceptions about what panic attacks look and feel like. Influenza vaccination Adult tetanus booster strongly recommended for certain groups of people who are at increased risk of complications and becoming very unwell with influenza, including:. A second booster at 10 to 15 years is intended to help maintain immunity into adulthood.