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Volume 16, Number 4—April 2010


Retraction: Triple Reassortant Swine Influenza A (H3N2) Virus in Waterfowl

Suggested citation for this article

To the Editor: We would like to retract the letter entitled “Triple Reassortant Swine Influenza A (H3N2) Virus in Waterfowl,” which was published the April 2010 issue of Emerging Infectious Diseases (1). The nucleoprotein gene sequences from the viruses reported in that letter are very closely related to those from the earliest detected triple reassortant swine influenza viruses [CY095676 A/sw/Texas/4199–2/1998(H3N2)]. Although these viruses could have acquired a swine-origin segment, the branch lengths are quite short for 9 years of evolution. Therefore, we have withdrawn these 4 isolates from GenBank and subsequently retract this letter.

Sagar M. GoyalComments to Author 
Author affiliation: Author affiliation: College of Veterinary Medicine– University of Minnesota, St. Paul, Minnesota, USA


This work was funded in whole or in part with funds from the National Institute of Allergy and Infectious Diseases, National Institutes of Health, Department of Health and Human Services, under contract no. HHSN266200700007C.


  1. Ramakrishnan MA, Wang P, Abin M, Yang M, Goyal SM, Gramer MR, Triple reassortant swine influenza A (H3N2) virus in waterfowl. Emerg Infect Dis. 2010;16:72830. DOIPubMed

Suggested citation for this article: Ramakrishnan MA, Wang P, Abin M, Yang M, Goyal SM, Gramer MR, et al. Retraction: triple reassortant swine influenza A (H3N2) virus in waterfowl. Emerg Infect Dis. 2013 Jan [date cited].

DOI: 10.3201/eid1604.091583

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Table of Contents – Volume 16, Number 4—April 2010

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Sagar M. Goyal, Professor of Virology, College of Veterinary Medicine─University of Minnesota, 1333 Gortner Ave., St. Paul, MN 55108, USA

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