Experts want to expand maternal pertussis vax window by 8 weeks

It comes as two studies show antibodies are higher among women vaccinated earlier

Women can be vaccinated against pertussis earlier in their pregnancy under proposed advice from experts.

pregnant second trimester

The current recommended window for vaccination is 28-32 weeks, but the Australian Technical Advisory Group on Immuni­sation (ATAGI) wants to expand that to 20-32 weeks.

The recommended changes to the Australian Immunisation Handbook are based on four studies published between 2015 and 2018, showing that cord blood contains at least as many antibodies with maternal vaccination in the second trimester compared with the third

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