With an expression like someone sucking on an unpleasant cough drop, he made his way over to me.
NEWYORKER: The Region of Unlikeness
The pertussis vaccine, called DTaP (diphtheria, tetanus, and pertussis) has been responsible for a dramatic drop in whooping cough in recent decades.
FORBES: Whooping Cough Epidemic: Blame The Anti-Vaccination Movement
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