Spike in holidaymakers returning to UK with tropical illnesses – what you need to know

WorldHealth & Fitness
26 Mar 2026 • 8:16 PM MYT
The Independent
The Independent

The world’s most free-thinking newspaper

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  • Health officials have warned holidaymakers about a rise in travel-related infections, particularly chikungunya virus, urging protection against mosquito bites.
  • The UK Health Security Agency reported a 43% increase in chikungunya cases in 2025, reaching 160 in England, Wales, and Northern Ireland, with most linked to travel in Sri Lanka, India and Bangladesh.
  • Malaria cases remain consistently high in the UK, with 1,629 imported cases recorded in 2025, despite a slight decrease from the previous year.
  • Conversely, cases of dengue fever significantly decreased to 344 in 2025, down from 904 in 2024.
  • Travellers are advised to take precautions against mosquito bites, such as using repellent and covering skin, and to consult Travel Health Pro for destination-specific advice.