Adjective modifier

• acellular: Between 3 years 4 months - 5 years - before primary school entrance Diphtheria, tetanus, acellular pertussis and inactivated poliomyelitis.

Modifies a noun

• vaccine: The medical community initially appeared to be sharply divided over the safety of the pertussis vaccine.

• toxin: In addition they include a mutation that renders the subunit resistant to the actions of pertussis toxin.

• infection: Three of five patients so far examined have evidence of current/recent pertussis infection.

• component: In the meantime, however, parents were offered a choice of vaccines - with or without the pertussis component.

• vaccination: Swansea research unit of the Royal College of General Practitioners ( 1981 ) Effect of a low pertussis vaccination uptake on a large community.

• immunization: Examples of such cases might be antenatal screening, drug treatment with common serious side-effects, and pertussis immunization.

Noun used with modifier

• whole-cell: Only 4.4 % did not receive any whole-cell pertussis vaccine.