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  • Title: The role of lung development in the age-related susceptibility of ferrets to influenza virus.
    Author: Coates DM, Husseini RH, Rushton DI, Sweet C, Smith H.
    Journal: Br J Exp Pathol; 1984 Oct; 65(5):543-7. PubMed ID: 6487534.
    Abstract:
    Newborn (I-day-old) ferrets died following intranasal inoculation of influenza virus (clone 7a) but suckling (15-day-old) ferrets were almost as resistant as adult ferrets. Many of the deaths in newborn ferrets were consequent upon an increased lower respiratory tract infection. One reason for the latter was an increase in susceptibility of both ciliated epithelium and alveolar cells in newborn ferret lungs when compared with the corresponding cells in adult and suckling ferrets (Coates et al. 1984). Work reported here shows that the lungs of newborn ferrets possess a greater proportion of ciliated epithelium-lined airway in comparison with the lungs of suckling and adult ferrets. This situation might also contribute to the increased susceptibility of the lower respiratory tract although the difficulties of assessing this influence precisely are discussed. In addition, the occlusion of the narrower airways of the immature lung in the infected newborn ferret contributes to the increased respiratory complications.
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