About 400 people in Nousis, Finland — a town of 4,800 — fell as a result of contaminated drinking water.
The municipality’s health authorities state that the situation was worst 23-27 January when more than 50 cases were recorded every day. The number of new cases has decreased steadily.
Last weekend, a ban on drinking water was introduced.
In tests taken by people who have fallen ill after drinking the municipality’s water pipeline, at least noro, sapo and astroviruses have been found.
Some of the patients had had two different viruses.
Individual cases of ETEC and EHEC bacteria and of the bacterium Plesiomonas shigelloides were also found in the patient samples.
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