in the gut and faeces, people can also get sick from contact with infected animals or contaminated waterways. in march, rowers in the oxford cambridge boat race were warned not to swim in the river thames because of e.coli. it usually takes a few days from being infected for symptoms like diarrhoea, vomiting, stomach cramps and fever to show. consumers will be told if and when a food source is identified. michelle roberts, bbc news. the countdown to the paris olympics has begun — with just 50 days to go until the opening ceremony. this morning, one of the city's most iconic monuments, the eiffel tower, has been adorned with the olympic rings to mark the event. you can just about see them, between the first and second stages. there we to. as