Articles on Cryptosporidium

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A sign warns passers-by that irrigation in the area uses treated sewage wastewater. Lindsey Nicholson/UCG/Universal Images Group via Getty Images

Cyclospora spreads through human waste – so how did it get on food?

US sewage treatment plants likely don’t get rid of all the disease-causing protozoa, and monitoring discharged wastewater for it is difficult.
A 2023 CDC report tracked more than 200 pool-associated outbreaks over a four-year period. But a few basic precautions can ward off these dangers. Maria Korneeva/Moment via Getty Images

How germy is the public pool? An infectious disease expert weighs in on poop, pee and perspiration – and the deceptive smell of chlorine

Most pool-related illnesses won’t kill you, but no one wants to spend their vacation or a week of beautiful summer days in the bathroom.
‘The monstrous contents of a magnified drop of River Thames water’, as envisaged by the artist William Heath in 1828. Wellcome Collection

Britain’s ‘broken’ water system: a history of death, denial and diarrhoea

The water regulator has issued a record £168m fine to Thames, Yorkshire and Northumbrian Water for a ‘catalogue of failure’ regarding illegal sewage discharges – with more fines expected to follow.
The sticky biofilms that form on microplastics can harbor disease-causing pathogens and help them spread. Tunatura/iStock via Getty Images Plus

Disease‑causing parasites can hitch a ride on plastics and potentially spread through the sea, new research suggests

Normally land-bound pathogens that cause deadly diseases for both humans and animals can cling to microplastics and end up in your seafood.

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