Use of influenza A viruses expressing reporter genes to assess the frequency of double infections in vitro
- PMID: 22535774
- DOI: 10.1099/vir.0.042671-0
Use of influenza A viruses expressing reporter genes to assess the frequency of double infections in vitro
Abstract
Exchange of gene segments between mammalian and avian influenza A viruses may lead to the emergence of potential pandemic influenza viruses. Since co-infection of single cells with two viruses is a prerequisite for reassortment to take place, we assessed frequencies of double-infection in vitro using influenza A/H5N1 and A/H1N1 viruses expressing the reporter genes eGFP or mCherry. Double-infected A549 and Madin-Darby canine kidney cells were detected by confocal microscopy and flow cytometry.
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