<unk> , also known as<unk>  toxoid (TT), is a toxoid vaccine used to prevent<unk> . During childhood, five doses are recommended, with a sixth given during adolescence. After three doses, almost everyone is initially immune, but additional doses every ten years are recommended to maintain immunity. A booster shot should be given within 48 hours of an injury to people whose immunization is out of date. For people with high-risk injuries who are not fully immunized,<unk>  antitoxin may also be recommended. Confirming that pregnant women are up to date on<unk>  immunization during each pregnancy can prevent both maternal and neonatal<unk> . The vaccine is very safe, including during pregnancy and in those with HIV/AIDS. Redness and pain at the site of injection occur in between 25% and 85% of people. Fever, feeling tired, and minor muscle pain occurs in less than 10% of people. Severe allergic reactions occur in less than one in 100,000 people. A number of vaccine combinations include the<unk> , such as DTaP and Tdap, which contain diphtheria,<unk> , and pertussis vaccines, and DT and Td, which contain diphtheria and<unk> s. DTaP and DT are given to children less than seven years old, while Tdap and Td are given to those seven years old and older. The lowercase d and p denote lower strengths of diphtheria and pertussis vaccines.<unk>  antiserum was developed in 1890, with its protective effects lasting a few weeks. The<unk>  toxoid vaccine was developed in 1924, and came into common use for soldiers in World War II. Its use resulted in a 95% decrease in the rate of<unk> . It is on the World Health Organization's List of Essential Medicines.
Tetanus vaccine
Typhus vaccine
Typhoid vaccine
Pertussis vaccine
Measles vaccine
Mumps vaccine
Polio vaccine
Rubella vaccine