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. Author manuscript; available in PMC: 2009 Sep 12.
Published in final edited form as: Vaccine. 2008 Sep 12;26(Suppl 4):D59–D66. doi: 10.1016/j.vaccine.2008.07.025

Figure 2.

Figure 2

Charastic lesions of human influenza virus infection in the lung. (A) Acute massive alveolar edema and congestion (1957 pandemic autopsy case, original magnification 200X). (B) Acute massive alveolar edema with hyaline membrane formation and interstitial inflammation (1918 pandemic autopsy case, original magnification 200X). (C) Thrombus in a small pulmonary vessel (1918 pandemic autopsy case (original magnification 40X). (D) Regeneration as evidenced by alveolar type II pneumocyte hyperplasia and interstitial fibrosis (1918 pandemic autopsy case, original magnification 200X).