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Nucleus-to-cytoplasm translocation of La in RSV-infected cells. A549 cells were infected with RSV and at times thereafter (hours on the left) and were fixed and stained with DAPI (nuclei) (blue), anti-La (red), and anti-RSV (green), as indicated above the columns. A few representative nuclei (marked with white arrowheads) show higher levels of nuclear La (red), even at 24 and 36 h p.i., in cells that are poorly infected with RSV (green) (see the text).
