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.
latent Latent is an adjective that you use to describe something that is capable of becoming active or at hand, though it is not currently so. The adjective latent is a tricky word to define because it refers to something there but not there. That is, latent means something that is capable of becoming active or at hand but has not yet achieved that state. The word arrived in Middle English from the Latin word latÄre which means to lie hidden..