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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Heart histopathological lesions at two and seven days post infection. Arrows denote pericarditis and arrowheads denote myocarditis, and myocardial necrosis (hyalinosis). Scale bars are indicated.