(A): Ring-tailed lemur, 2 years, male, mesenteric lymph node. Severe confluent necrotising lymphadenitis. H&E, ×2. (B): Speckled mousebird, >7 years, male, spleen. Multifocal to coalescing necrotising splenitis with myriads of intralesional T. gondii protozoa, confirmed by immunohistochemistry (inset). H&E, ×2 and IHC, ×60. (C): Snow leopard, 18 years, female, tongue. Glossal myofibres are separated by histiocytic and lesser neutrophilic infiltrates, amongst which protozoal tachyzoites (arrow head) are identified. (D): Alpaca, 14 years, male, abdominal mass. Numerous clusters of intracellular (arrow heads) and extracellular (arrow) tachyzoites are present amongst sheets of mononuclear inflammation, embedded on fibrovascular stroma. H&E, ×60.