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Volume 31, Number 9—September 2025

Dispatch

Rapidly Progressing Melioidosis Outbreak in City Center Zoo, Hong Kong, 2024

Christopher J. Brackman1, Ivan Tak-Fai Wong1, Allen S.L. Chan1, Patrick C.K. Pun, Dorothy Hong-Ting Cheung, Anne C.N. Tse, Carlton P.M. Yuen, Pierra Y.T. Law, Wing-Yin Tam, Franklin Wang-Ngai ChowComments to Author , Gilman Kit-Hang Siu, and Thomas Hon-Chung SitComments to Author 
Author affiliation: Government of the Hong Kong Special Administrative Region, Hong Kong, China (C.J. Brackman, A.S.L. Chan, P.C.K. Pun, A.C.N. Tse, C.P.M Yuen, P.Y.T. Law, T.H.-C. Sit); Polytechnic University, Hong Kong (I.T.-F. Wong, D.H.-T. Cheung, W.-Y. Tam, F.W.-N. Chow, G.K.-H. Siu)

Main Article

Figure 1

Gross and histopathological features of nonhuman primates who died during rapidly progressing melioidosis outbreak in city center zoo, Hong Kong, 2024. A) Gross pathology of splenic lesion in a white-faced saki (Pithecia pithecia). The spleen exhibits multifocal to coalescing necrosis. B) Necrotizing hepatitis of the liver in a cotton-top tamarin (Saguinus oedipus). Hematoxylin and eosin stain; original magnification ×200. C) Numerous gram-negative rods (black arrow) at the areas of necrosis in the liver of a cotton-top tamarin. Gram stain; original magnification ×1,000 with oil immersion objective.

Figure 1. Gross and histopathological features of nonhuman primates who died during rapidly progressing melioidosis outbreak in city center zoo, Hong Kong, 2024. A) Gross pathology of splenic lesion in a white-faced saki (Pithecia pithecia). The spleen exhibits multifocal to coalescing necrosis. B) Necrotizing hepatitis of the liver in a cotton-top tamarin (Saguinus oedipus). Hematoxylin and eosin stain; original magnification ×200. C) Numerous gram-negative rods (black arrow) at the areas of necrosis in the liver of a cotton-top tamarin. Gram stain; original magnification ×1,000 with oil immersion objective.

Main Article

1These authors contributed equally to this article.

Page created: July 17, 2025
Page updated: August 26, 2025
Page reviewed: August 26, 2025
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