Doctors at Monklands District General Hospital said they were not, however, giving any "significant cause for concern". There are a further two unconfirmed cases, one of whom has also been detained in hospital. All five live in the Hamilton and Larkhall area.
In a statement, South Lanarkshire Council and Lanarkshire Health Board stressed there was no family, personal or organisational link between them, adding: "Nor is there any common link to a particular outlet or similar food purchase established at this early stage in the investigation." Clare Garner