According to The Sun, at least 207 people have been infected in the UK. Most cases have been reported in England, particularly in London and Yorkshire and the Humber.
At the same time, the European Centre for Disease Prevention and Control, ECDC, has recorded more than 130 cases in the Netherlands, Belgium, Germany, France, Austria and Denmark.
A total of 34 people have been admitted to hospital. Those infected range in age from under one year old to 90 years old.
Can be serious
Salmonella typically causes fever, diarrhoea and vomiting. Symptoms usually last four to seven days, and most people recover without treatment.
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However, the illness can be dangerous for children, older people, pregnant women and people in poor health. According to The Sun, one person in the UK has died in connection with the outbreak.
The UK's Food Standards Agency, FSA, has therefore advised vulnerable groups not to eat soft-boiled or undercooked eggs.
At the same time, the authorities stress that there are no signs of problems with eggs produced in the UK.
New lead under investigation
Authorities have previously focused mainly on imported eggs as a possible source of infection.
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These may, among other things, have been used in restaurants and cafés.
The ECDC is now also investigating chicken products. This is because some of those infected in the Netherlands reported that they had eaten chicken.
The exact cause of the outbreak has still not been identified.
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This article is made and published by Ida-Marie Palm Varbæk, who may have used AI in the preparation.