Tdap
n.— «County health officials are urging people of nearly all ages to get the vaccine for the disease through what is called a tdap booster, a newer immunization administered along with tetanus shots.» —“Whooping cough is coming back; Utah health officials are alarmed” by Todd Hollingshead Salt Lake Tribune (Utah) Mar. 28, 2006. (source: Double-Tongued Dictionary)
Further reading
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