Influenza vaccine concurrently administered with a combination measles, mumps, and rubella vaccine to young children

Children aged 11 to <24 months received 2 intranasal doses of live attenuated influenza vaccine (LAIV) or placebo, 35 +/- 7 days apart. Dose 1 was administered concomitantly with a combined measles, mumps, and rubella vaccine (Priorix). Seroresponses to measles and mumps were similar between grou...

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Main Authors: Lum, L.C.S., Borja-Tabora, C.F., Breiman, R.F., Vesikari, T., Sablan, B.P., Chay, O.M., Tantracheewathorn, T., Schmitt, H.J., Lau, Y.L., Bowonkiratikachorn, P., Tam, J.S., Lee, B.W., Tan, K.K., Pejcz, J., Cha, S., Gutierrez-Brito, M., Kaltenis, P., Vertruyen, A., Czajka, H., Bojarskas, J., Brooks, W.A., Cheng, S.M., Rappaport, R., Baker, S., Gruber, W.C., Forrest, B.D.
Format: Article
Published: Elsevier 2010
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Online Access:http://eprints.um.edu.my/15194/
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Summary:Children aged 11 to <24 months received 2 intranasal doses of live attenuated influenza vaccine (LAIV) or placebo, 35 +/- 7 days apart. Dose 1 was administered concomitantly with a combined measles, mumps, and rubella vaccine (Priorix). Seroresponses to measles and mumps were similar between groups. Compared with placebo, response rates to rubella in LAIV+Priorix recipients were statistically lower at a 15IU/mL threshold (83.9% vs 78.0%) and the prespecified noninferiority criteria were not met. In a post hoc analysis using an alternate widely accepted threshold of 10IU/mL, the noninferiority criteria were met (93.4% vs 89.8%). Concomitant administration with Priorix did not affect the overall influenza protection rate of LAIV (78.4% and 63.8% against antigenically similar influenza strains and any strain, respectively). (C) 2009 Elsevier Ltd. All rights reserved.