Problems with DTaP and Tdap range from mild to severe; the good news is that severe problems (seizures, coma, brain damage, nerve problems, or severe allergic reactions) occur in less than one in 1 million vaccinations.
bunk (third-person singular simple present bunks, present participle bunking, simple past and past participle bunked) To fail to attend school or work without permission; to play truant (usually as in 'to bunk off').
header. n. 1. (Mechanical Engineering) Also called: header tank a reservoir, tank, or hopper that maintains a gravity feed or a static fluid pressure in an apparatus. 2. (Mechanical Engineering) a manifold for distributing a fluid supply amongst a number of passages.