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Method for generating influenza viruses and vaccines

  • US 7,037,707 B2
  • Filed: 09/04/2003
  • Issued: 05/02/2006
  • Est. Priority Date: 09/04/2003
  • Status: Expired due to Fees
First Claim
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1. A method for producing a reassortant influenza virus comprising transfecting host cells with expression plasmids containing PB2, PB1, PA, NP and M genes from A/PuertoRico/8/34 influenza strain, an NS gene encoding an NS1 protein having an amino acid sequence comprising SEQ ID NO:

  • 5 and an NS2 protein having an amino acid sequence comprising SEQ ID NO;

    6, and HA and NA genes from an influenza virus of interest other than A/England/1/53, to obtain a reassortant influenza virus.

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