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(A) Interstitial oedema in muscles of the neck. (B) Oedema in submucosal connective tissue of epiglottis. (C) Oedema and capillary congestion in interalveolar septae of lungs. (D) Peritubular capillary congestion in cortex as well as medulla of kidney. (E) Denudation of surface mucosa with oedema in the lamina propria of urinary bladder. (F) Brain showing shrunken neurons with eosinophilic cytoplasm, smudging of nuclear chromatin and pericellular retraction artefacts (H&E ×100).
