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Outbreak Updates

20 July 2026

USA

Legionnaires' disease in USA

As of 20 July 2026, 76 confirmed cases of Legionnaires' disease, including 4 deaths have been reported in a community cluster in Upper East Side neighbourhoods of Carnegie Hill and Yorkville, New York City.

Source: State

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B. Africa or the Middle East

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2. How long are you going for?

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B. 2 to 6 weeks

C. 6 weeks to 6 months

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3. What is your main health concern for this trip?

A. Managing a health condition I already have (for example: asthma, heart disease, diabetes, depression)

B. Getting a travel-related infection (such as malaria, dengue, Zika, hepatitis A, travellers' diarrhoea)

C. Getting a common infection (such as flu, COVID-19, measles or pneumonia)

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D. I don’t usually get travel health advice

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UK Health Security Agency

Hospital for Tropical Diseases

Liverpool School of Tropical Medicine

London School of Hygiene and Tropical Medicine

University College London Hospitals NHS Foundation Trust

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Legionnaires' disease in USA

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1. Where are you travelling to?

2. How long are you going for?

3. What is your main health concern for this trip?

4. Where do you usually get travel health advice before you go?

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