New children's vaccine guards against 6 diseases The US Food and Drug Administration has approved a vaccine for children that guards against multiple diseases at once, cutting down on the need for multiple shots. An emergency room doctor explains the new changes. The U.S. Food and Drug Administration has approved a vaccine for children that guards against multiple diseases. The single shot vaccine is a combination “diphtheria-tetanus-pertussis-hepatitis B-poliomyelitis-invasive haemophilus influenza type B disease” vaccine. Vaxelis is designed for children aged 6 weeks to 4 years old. Sanofi and Merck are now working on the production and supply of Vaxelis. The company reports it won’t be available in the U.S. before 2020. A press release from Sanofi details more about how the vaccine would work. Source