Baylisascaris Infections
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Published:2021
2021. "Baylisascaris Infections", Red Book: 2021–2024 Report of the Committee on Infectious Diseases, Committee on Infectious Diseases, American Academy of Pediatrics, David W. Kimberlin, MD, FAAP, Elizabeth D. Barnett, MD, FAAP, Ruth Lynfield, MD, FAAP, Mark H. Sawyer, MD, FAAP
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Infection with Baylisascaris procyonis, a raccoon roundworm, can present with nonspecific signs such as nausea, fever, and fatigue. Other clinical presentations include neural larval migrans, ocular larva migrans, and visceral larval migrans. Acute central nervous system (CNS) disease (eg, altered mental status and seizures) accompanied by peripheral and/or cerebrospinal fluid (CSF) eosinophilia are manifestations of neural larval migrans (eosinophilic meningoencephalitis) and can occur 2 to 4 weeks after infection. Severe neurologic sequelae or death are usual outcomes. Ocular larva migrans can result in diffuse unilateral subacute neuroretinitis; direct visualization of larvae in the retina sometimes is possible. Visceral larval...