Volume 28, Number 4—April 2022
Research
Fatal Human Alphaherpesvirus 1 Infection in Free-Ranging Black-Tufted Marmosets in Anthropized Environments, Brazil, 2012–2019
Table 2
Histopathologic features found during necropsy of free-ranging black-tufted marmosets naturallly infected with human alphaherpesvirus 1, Brazil, 2012–2019
Organ, finding | No. affected/total (%)* |
---|---|
Brain | 12/13 (92) |
Inclusion bodies within neurons and glial cells | 12/12 (100) |
Neuronal necrosis | 12/12 (100) |
Mononuclear perivascular cuffs | 12/12 (100) |
Neuronophagy | 11/12 (92) |
Reactive gliosis | 11/12 (92) |
Neuropil inflammation | |
Mononuclear cells | 10/12 (83) |
Neutrophils | 3/12 (25) |
Intravascular leukocytosis | 9/12 (75) |
Nonsuppurative meningitis | 9/12 (75) |
Glial nodules | 5/12 (42) |
Reactive neurovascular endothelium |
5/12 (42) |
Tongue | 9/13 (69) |
Acantholysis | 8/9 (89) |
Epithelial ballooning degeneration | 8/9 (89) |
Epithelial intranuclear inclusion bodies | 8/9 (89) |
Subepithelial inflammation | 8/9 (89) |
Epithelial necrosis | 5/9 (55) |
Ulcer | 4/9 (44) |
Syncytial cells |
2/9 (22) |
Liver | 1/13 (8) |
Hepatocellular coagulative necrosis | 1/1 (100) |
Intranuclear viral inclusion bodies | 1/1 (100) |
Multinucleated giant cells | 1/1 (100) |
*Denominators indicate numbers of animals for which information was available.