WHO Warns of Early and Intense Flu Surge Across Europe

WHO Warns of Early and Intense Flu Surge Across Europe
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A sharp rise in influenza cases driven by a newly dominant virus strain is spreading across Europe, placing heavy strain on healthcare systems in several countries, The Guardian reported. The World Health Organization (WHO) said at least 27 of the 38 countries in its European region are currently experiencing high or very high levels of flu activity.

In six countries, including the UK, Ireland, Serbia and Slovenia, more than half of patients presenting with flu-like symptoms have tested positive. The WHO noted that this year’s flu season began around four weeks earlier than usual, prompting renewed calls for vaccination and basic preventive measures such as staying home when ill and wearing masks if experiencing respiratory symptoms.

The surge is largely linked to a seasonal influenza variant known as A(H3N2) sub-clade K, which accounts for up to 90% of confirmed cases in the region. While the strain is highly transmissible, the WHO said there is no indication it causes more severe illness than previous variants.

WHO Europe director Hans Kluge said the situation highlights how small genetic changes in the virus can place significant pressure on health services. He also warned against misinformation, urging the public to rely on guidance from trusted health authorities. Early data from the UK suggests current vaccines reduce the risk of severe illness from the strain, even if they do not fully prevent infection.

The WHO stressed vaccination remains the most effective defense, particularly for older adults, people with chronic conditions, pregnant women, children and healthcare workers. Several countries have reported mounting pressure on hospitals, including the UK, Germany, France and Spain, as the WHO expects the flu season to peak in late December or early January.