Pertussis (Whooping Cough). Pertussis (whooping cough) is a highly contagious, vaccine-preventable respiratory disease. Pertussis most commonly affects infants and young children and can be fatal, especially in babies less than 1 year of age.Pertussis is caused by a bacteria found in the mouth, nose and throat of an infected person.he childhood vaccine is called DTaP, and the pertussis booster vaccine for adolescents and adults is called Tdap. All adolescents and adults are encouraged to get one lifetime dose of the booster vaccine.
couple noun (SOME) B1 [ S ] two or a few things that are similar or the same, or two or a few people who are in some way connected: The doctor said my leg should be better in a couple of days. A couple of people objected to the proposal, but the vast majority approved of it.
relationship - a state involving mutual dealings between people or parties or countries. repression - a state of forcible subjugation; the long repression of Christian sects. oppression - the state of being kept down by unjust use of force or authority: after years of oppression they finally revolted.