The incident related to The Big Tribute Festival (Image: Google)

Everything you need to know:

The festival took place at Lovesgrove Farm in Aberystwyth between August 22 and 24 this year.

Public Health Wales have declared an outbreak of O26 Shiga toxin-producing E.coli (STEC).

A "small number" of festival-goers contracted the infection.

The symptoms tend to be a combination of diarrhoea, stomach cramps, and fever.

The source of the bug has not yet been identified.

It's often spread via contaminated food but can also be spread by close contact with an infected person as well as direct contact with an infected animal or its environment.

Some patients may develop haemolytic uraemic syndrome (HUS) which is a serious life-threatening condition resulting in kidney failure.

HUS is a s

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