WHO Warns Of Rising Mpox Cases As New ‘Clade Ib’ Strain Spreads Globally—See The List Of Affected Countries

mpox cases

Credits: CANVA

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Updated Nov 2, 2025 | 12:51 PM IST

SummaryMpox, formerly known as monkeypox, is a viral infection caused by the monkeypox virus, part of the Orthopoxvirus family. The World Health Organization (WHO) classifies the virus into two major clades, Clade I (which includes Ia and Ib) and Clade II (IIa and IIb), with the 2022–2023 global outbreak traced mainly to Clade IIb.

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