As mpox cases see an uptick across Europe, health officials are calling for increased vaccination among gay, bisexual, and other men who have sex with men (GBMSM). The UK Health Security Agency (UKHSA) has alerted the public to the emergence of the ‘clade Ib’ strain, which shows early signs of local transmission in several European nations, including Spain, Italy, Portugal, and the Netherlands.
Growing Concern Over Clade Ib Strain
The UKHSA has reported that while the clade Ib strain of mpox—previously known as monkeypox—remains relatively mild in most cases, it still poses risks that warrant attention. Small clusters of this strain have been identified, prompting health alerts not only in the UK but also in the United States. Dr. Katy Sinka, head of sexually transmitted infections at UKHSA, stressed the importance of vaccination, especially as the virus continues to spread globally.
“The ways in which we are seeing mpox continue to spread globally is a reminder to come forward for the vaccine, if you are eligible,” she stated, highlighting the urgency of preventive measures as Winter Pride events approach.
Vaccination Guidelines and Recommendations
The UKHSA has classified the risk of clade Ib entering the UK via travel as high. However, they believe that existing vaccination efforts among GBMSM will help manage further transmission. The vaccine is particularly recommended for individuals at heightened risk, including those with multiple sexual partners, participants in group sex, and those who frequent sex-on-premises venues.
It’s also advisable for professionals working at these venues, such as cleaning staff, to receive the vaccine. While the vaccine has not been specifically tested against clade Ib, data indicates that it offers protection against clade II, thus providing a degree of reassurance regarding its efficacy.
Vaccination is accessible through sexual health services, and the NHS encourages individuals to contact their local sexual health clinic for more information before attending in person.
Understanding Mpox Symptoms and Transmission
Mpox manifests through various symptoms, including a distinct skin rash or lesions filled with pus, typically lasting between two to four weeks. Other common symptoms are fever, headaches, muscle pain, fatigue, and swollen lymph nodes. The virus spreads primarily through close physical contact, respiratory droplets, and contact with contaminated clothing or bedding.
In 2022, a significant outbreak of clade II mpox affected multiple countries, particularly impacting GBMSM communities. Currently, the UK has reported 16 confirmed cases of clade Ib, all linked to travel from regions where the strain is prevalent. Notably, Spain has identified its first locally-acquired cases recently, alongside additional cases in Italy, Portugal, and the Netherlands, suggesting a shift in transmission dynamics within sexual networks.
Richard Angell OBE, chief executive of the Terrence Higgins Trust, urged those planning to attend upcoming Winter Pride events across Europe to consider vaccination. “Those travelling to these events would be wise to get vaccinated, at least once, if not twice,” he advised, as most individuals will be eligible for two doses of the vaccine, spaced at least 28 days apart.
Why it Matters
The resurgence of mpox, particularly the clade Ib strain, highlights a critical public health concern, especially as the festive season approaches. Vaccination remains the most effective tool in curbing the spread of the virus, safeguarding not only individual health but also that of the broader community. With health authorities advocating for preventive measures, it is imperative for those at risk to take action, ensuring a safer environment during gatherings and events.