Fig. 2: Fluorescent images taken between day 4 to 6 p.i.

Images show a longitudinal cross-section of the ferret skull (a), hamster skull (b) and ferret lung and trachea day 6 and ferret trachea day 5 (c) post infection with rRSV-A-0594-EGFP. Images were taken between day 4 and 6 pi. and specific areas of EGFP fluorescence are highlighted with an arrow.