Influenza B virus is a human pathogen responsible for significant health and economic burden. Research into this pathogen has been limited by the lack of reporter viruses. Here we describe the development of both a replication-competent fluorescent influenza B reporter virus and bioluminescent influenza B reporter virus. Furthermore, we demonstrate these reporter viruses can be used to quickly monitor viral growth and permit the rapid screening of antiviral compounds and neutralizing antibodies.
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