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Health Protection Agency investigates cluster of legionnaires’ cases among people who have been to the Greek island A cluster of cases of legionnaires’ disease in people who have been to Corfu is being investigated by the Health Protection Agency (HPA). The organisation said it was aware of nine cases of the disease in people between the ages of 39 and 79 who had travelled to different areas of the Greek island since August. The HPA is working with colleagues in the UK, the European Centre for Disease Prevention and Control (ECDC), and Greek public health authorities to try to find the possible source or sources. They said although cases all had a history of recent travel to Corfu, a UK source of infection could not be ruled out. As a precaution, it will investigate possible UK sources, as well as working with Greek authorities to look at possible sources in Corfu. The HPA is advising people going on holiday to the island to be aware of signs and symptoms of legionnaires’. The disease, caused by the Legionella bacterium, can lead to severe pneumonia. It can survive in water, and may be spread through exposure to water droplets from cooling systems, shower heads and taps, but cannot be spread from person to person. Symptoms can start between two and 14 days after exposure to a source, often with an initial flu-like illness leading to pneumonia. Legionnaires’ disease is uncommon in the UK, but can lead to complications and can be fatal, the HPA said. Early antibiotic treatment is important. Prof Nick Phin, head of the HPA’s legionnaires’ department, said: “We are concerned that UK residents travelling to Corfu should be aware of this potential risk. However, we are not suggesting that people change their holiday plans. “Legionnaires’ disease is very rare and cannot be spread from person to person so the risk is low. “We are continuing our investigations so that we can provide the best advice for travellers and minimise the risk of further cases. “We will also assist the Greek public health authorities in their investigations into a possible source or sources within Corfu. “Sometimes a source for the infection is never found, because the bacteria can live in a very wide variety of types of water supply.” The HPA is also briefing GPs asking them to be alert to people returning from Corfu suffering relevant symptoms. The organisation is also working with the Foreign Office and the Federation of Tour Operators to make sure travel agencies are aware of the potential risk. Health Greece Infectious diseases Europe guardian.co.uk