FIG. 2.
Histopathological changes in the lungs of mice infected with MHV-68. Representative lung sections stained with hematoxylin and eosin or Masson trichrome are shown for mice infected for the times indicated (d, days). Salient pathological features are highlighted as follows: P, perivascular infiltration; AI, alveolar inflammation; F, fibrosis; E, emphysema.
