Egyptian authorities said that the tragic deaths were due to natural causes linked to an E.coli infection.

Source: https://www.burnleyexpress.net/news/people/daughter-of-burnley-couple-john-and-susan-cooper-who-died-on-holiday-in-egypt-in-2018-hopes-for-answers-as-inquest-date-date-set-4335922

'This recall relates to new testing techniques designed to better identify potentially dangerous strains of Shiga Toxin producing E.coli.

Source: https://www.dailymail.co.uk/health/article-12906351/WAITROSE-recalls-artisan-cheese-E-coli.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

Untreated sewage contains bacteria such as E.coli and viruses like hepatitis, that can be harmful to animals and humans.

Source: https://www.bbc.co.uk/news/science-environment-65626241?at_medium=RSS&at_campaign=KARANGA