PRJDB2982 TMPRSS2-Independent Activation of H3N2 Influenza Virus H3N2 Influenza Virus Uses an Alternative Activation Mechanism in TMPRSS2 Knockout Mice TMPRSS2-Independent Activation of H3N2 Influenza Virus bioproject PRJDB2982 PRJDB2982 true H3N2 Influenza Virus Uses an Alternative Activation Mechanism in TMPRSS2 Knockout Mice