Author: Petousis-Harris, Helen; Walls, Tony; Watson, Donna; Paynter, Janine; Graham, Patricia; Turner, Nikki
Title: Safety of Tdap vaccine in pregnant women: an observational study Document date: 2016_4_18
ID: 5ztat9cw_31
Snippet: Swelling at the injection site was uncommon with 7.6% of participants reporting any swelling and three participants (0.4%) reporting swelling greater than 5 cm. All cases of swelling had an onset within 48 h with half unresolved after 48 h (table 3). The timing of onset of swelling reported was different between the two study populations with 94% of the Southern population reporting the onset of swelling within 24 h compared with 48% of the North.....
Document: Swelling at the injection site was uncommon with 7.6% of participants reporting any swelling and three participants (0.4%) reporting swelling greater than 5 cm. All cases of swelling had an onset within 48 h with half unresolved after 48 h (table 3). The timing of onset of swelling reported was different between the two study populations with 94% of the Southern population reporting the onset of swelling within 24 h compared with 48% of the Northern population. The time to resolution was the same in both groups with 49% resolving within 48 h (not shown).
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