9.9: Negative-Strand RNA Viruses in Animals Last updated Jan 3, 2021 Save as PDF 9.8D: Viral Exit 9.9A: Negative-Strand RNA Viruses of Animals Page ID9907 BoundlessBoundless ( \newcommand{\kernel}{\mathrm{null}\,}\) Topic hierarchy9.9A: Negative-Strand RNA Viruses of Animals9.9B: Attachment and Entry to the Host Cell9.9C: Replicative Cycle of Influenza AInfluenza A follows the typical life cycle of most influenza virus: infection and replication are a multi-step process.