Safety of pertussis vaccination in pregnant women in UK: observational study

Pertussis (whooping cough) is a highly contagious disease
caused by the bacterium Bordetella pertussis. Symptoms can
initially be mild, but serious and fatal complications can occur,
particularly in children aged under 3 months.1 In the United
Kingdom, a primary course of pertussis vaccination is
recommended from the age of 2 months.2 Uptake for the infant
vaccine, and for the additional preschool booster, is high,3 and
in recent decades pertussis has been well controlled. As
elsewhere, however, children remain vulnerable before their
first vaccination series.

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