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#UK: New #mpox #strain identified in #England (#UKHSA, Dec. 8 '25)

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By G.M.

 


Latest update

The UK Health Security Agency (UKHSA) has identified a new recombinant mpox virus in England in an individual who had recently travelled to Asia.  

-- Genomic sequencing showed that the mpox genome contained elements of clade Ib and IIb mpox. 

-- This is not unexpected as both clades are circulating, but highlights the continued potential for mpox virus to evolve and the importance of continued genomic surveillance.    

-- UKHSA continues to assess the significance of the strain.  

Dr Katy Sinka, Head of Sexually Transmitted Infections at UKHSA, said:   

''Our genomic testing has enabled us to detect this new mpox strain. It’s normal for viruses to evolve, and further analysis will help us understand more about how mpox is changing.  

''Although mpox infection is mild for many, it can be severe. Getting vaccinated is a proven effective way to protect yourself against severe disease, so please make sure to get the jab if you are eligible.  

''It is important to remain alert to the risks from this unpleasant illness. Anyone who thinks they may have mpox should contact NHS 111 for advice on what to do.

-- The UK has a routine mpox vaccination programme in place for eligible groups, including those who have multiple sexual partners, participate in group sex, or visit sex-on-premises venues. Studies show the vaccine is around 75% to 80% effective in protecting against mpox.  

UKHSA has shared its findings with relevant international partners, including the World Health Organization (WHO), to support global monitoring efforts.

Source: 


 Link: https://www.gov.uk/government/news/ukhsa-detects-first-case-of-clade-ib-mpox

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