DTaP is a vaccine that helps children younger than age 7 develop immunity to three deadly diseases caused by bacteria: diphtheria, tetanus, and whooping cough (pertussis). Tdap is a booster immunization given at age 11 that offers continued protection from those diseases for adolescents and adults. Diphtheria is a respiratory disease that can cause breathing problems, paralysis, heart failure, and death. It's highly contagious and is spread by coughing and sneezing.
adroit(adj) quick or skillful or adept in action or thought. an exceptionally adroit pianist; an adroit technician; his adroit replies to hecklers won him many followers; an adroit negotiator.
(also avant garde, avantgarde); French, literally advance guard (see avant + guard (n.)). Used in English 15c.-18c. in a literal, military sense; borrowed again 1910 as an artistic term for pioneers or innovators of a particular period. Also used around the same time in communist and anarchist publications. As an adjective, by 1925.