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How Germy Is the Public Pool? An Infectious Disease Expert Weighs in on Poop, Pee and Perspiration – and the Deceptive Smell of Chlorine

The CDC says a 2023 report found more than 200 pool outbreaks that affected over 3,600 people nationwide.

  • Every summer, the CDC issues alerts about swimming-related illness outbreaks in public pools and water parks, which pose unique risks ranging from minor skin irritations to gastrointestinal infections.
  • Strong chemical odors are a common myth signaling clean pools, but they actually indicate contamination when swimmers' bodily residues like sweat and urine interact with chlorine to form harmful byproducts.
  • Between 2015 and 2019, a 2023 CDC report tracked over 200 pool-associated outbreaks affecting more than 3,600 people, including skin infections, respiratory issues, ear infections, and gastrointestinal distress.
  • Cryptosporidium, a parasite causing watery diarrhea, survives in treated water for up to 10 days; swimmers should shower for at least one minute before swimming and avoid pools if experiencing diarrhea.
  • Swimmers can enjoy water safely by following preventive measures: regular bathroom breaks, checking diapers hourly, drying ears thoroughly after swimming, and showering for one minute before entering the pool.
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48 Articles

The IndependentThe Independent
Reposted by
INTELLINEWSINTELLINEWS
Lean Left

How clean is a public pool? Expert reveals what is really lurking beneath the surface

Swimming in public spaces comes with risks

·London, United Kingdom
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InsideNoVA.comInsideNoVA.com
+44 Reposted by 44 other sources
Center

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.

·Washington, United States
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Every summer, news of elevated chlorine concentrations in swimming pools raises concerns, raising the issue of water quality in public and private swimming pools.

·Novi Beograd, Serbia
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  • 56% of the sources are Center
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n1info.rs broke the news in Novi Beograd, Serbia on Saturday, August 8, 2026.
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