Movie S1.
pHrodo-virus particles infection in MDCK cells. Number and arrowhead indicate pHrodo-virus signals from different infected MDCK cells. Monolayer of MDCK cells were infected with H3N2 virus at MOI of 0.1. Movie was taken at 40X with DMi8 microscope between 16-90min. Red: cell membrane dye; Green: pHrodo particles.