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Histopathologic features in eastern equine encephalitis (midbrain)

Histopathologic features from a 5-year-old girl with eastern equine encephalitis in 2005, as part of a study of eastern equine encephalitis in Massachusetts and New Hampshire from 1970 to 2010. The postmortem samples of central nervous system tissue were obtained 10 days after the onset of symptoms. H&E-stained section of midbrain, showing perivascular inflammation (arrow) (magnification ×400). (Source: Silverman MA, Misasi J, Smole S, et al. Eastern equine encephalitis in children, Massachusetts and New Hampshire, USA, 1970-2010. Emerg Infect Dis 2013;19[2]:194-201. Public domain.)