Sweden – Vibrio infection (Sweden July 2021-)


Food Illness


With continued warm temperatures in our bathing waters, there is a risk of growth of vibrio bacteria that are naturally occurring, especially in seawater. To date, 18 cases of more serious vibrio infections in wounds or blood (sometimes called bath ulcer fever) have been reported during the summer. The majority of cases are over 65 years old and more men than women have fallen ill. To prevent cases of illness, bathing is not recommended if you have significant wounds, especially if you are elderly and / or have a weakened immune system.

Figure. The number of cases of bath ulcer infection in Sweden reported per month from 2018-06-01 – 2021-07-28

The bar chart shows that there are now more cases of bathing fever reported for 2021 than during the whole of 2019 and 2020, respectively, and that in 2018 an unusual number of cases were reported during June to September, a total of 76 cases, of which 45 during August.

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