China Journal of Leprosy and Skin Diseases ›› 2026, Vol. 42 ›› Issue (8): 551-552.doi: 10.12144/zgmfskin202608551

• New and Re-epidemic Infectious Skin Diseases • Previous Articles     Next Articles

First case of M-pox virus clade Ib infection identified in Shandong Province

HUAI Pengcheng1,2*, CHU Tongsheng1,2*, CHENG Yanru1,2, HAN Shuxin1,2, LIU Hong1,2, ZHANG Furen1,2   

  1. 1 Dermatology Hospital of Shandong First Medical University, Jinan 250022, China; 2 Shandong Provincial Institute of Dermatology and Venereology, Shandong Academy of Medical Sciences, Jinan 250022, China *Co-first authors
  • Online:2026-08-15 Published:2026-08-03

PDF (PC)

17

Like

Abstract: In May 2026, the first case of M-pox virus clade Ib infection was identified in Shandong Province, and the case is reported herein. A 33-year-old male patient presented with disseminated papulovesicles for 10 days, accompanied by ulcers on the mons pubis, genital swelling and pain, and fever for 5 days. The patient had a history of unprotected homosexual contact two weeks ago. Skin lesion samples tested positive for MPXV-qPCR with the Ib clade (cycle threshold value: 17.441).

Key words: M-pox, Ib subclade, Shandong Province