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Evidence-Based Medicine 2009;14:55; doi:10.1136/ebm.14.2.55
Copyright © 2009 by the BMJ Publishing Group Ltd.

THERAPEUTICS

Influenza immunisation during pregnancy reduced influenza in infants and respiratory illness in mothers

The first 150 words of the full text of this article appear below.

M C Steinhoff

Dr M C Steinhoff, Cincinnati Children’s Hospital, Cincinnati, OH, USA; m.steinhoff@gmail.com


STUDY DESIGN

Design:

randomised pneumococcal vaccine-controlled trial. ClinicialTrials.gov NCT00142389 [ClinicalTrials.gov] .

Allocation concealment:

concealed.*

Blinding:

blinded {patients, clinicians, data collectors, outcome assessors, data analysts, and safety committee}{dagger}.*


STUDY QUESTION

Setting:

Bangladesh.

Patients:

340 mothers 18–36 years of age (mean age 25 y) in the third trimester of pregnancy. Exclusion criteria were history of systemic disease, previous complicated pregnancy or preterm delivery, abortion, congenital anomaly, or hypersensitivity to study vaccines in the past 3 years.

Intervention:

inactivated influenza vaccine (n = 172) or 23-valent pneumococcal polysaccharide vaccine (n = 168). The influenza vaccine contained strains from 2004 as recommended by the World Health Organization, including A/New Caledonia/20/99 (H1N1), A/Fujian/411/2002 (H3N2), and B/Hong Kong/330/2001.

Outcomes:

included first episode of laboratory-confirmed influenza in infants, and respiratory illness with any fever or fever >38°C, clinic visits for respiratory illness, and diarrhoea in both mothers and infants.

Follow-up period:

24 weeks after birth.

Patient follow-up:

93% (intention-to-treat . . . [Full text of this article]

Bruno P Granwehr

University of Texas MD Anderson Cancer Center, Houston, Texas, USA


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