-- HealthDay staff
THURSDAY, May 16 (HealthDay News) -- There are few things more
inviting than a cool, clear pool on a hot summer day. But a new
federal report will have you thinking twice before dipping a toe in
Fifty-eight percent of pool filter samples taken from Atlanta
area pools last summer contained E. coli, a bacteria found in human
The report is a sign that swimmers often contaminate pool water
when they have a "fecal incident" in the water, or when human waste
washes off their bodies because they don't shower thoroughly before
hitting the water, according to the report from the U.S. Centers
for Disease Control and Prevention.
And while the study only focused on pools in the Atlanta region,
the researchers said it's likely that fecal contamination from
swimmers is a problem in public pools throughout the country. The
study did not look at water parks, residential pools or other types
of recreational water.
"Swimming is an excellent way to get the physical activity needed to stay healthy," Michele Hlavsa, chief of the CDC's Healthy Swimming Program, said in an agency news release. "However, pool users should be aware of how to prevent infections while swimming.
"Remember," she added, "chlorine and other disinfectants don't kill germs instantly. That's why it's important for swimmers to protect themselves by not swallowing the water they swim in and to protect others by keeping feces and germs out of the pool by taking a pre-swim shower and not swimming when ill with diarrhea.
The CDC says all swimmers should take the following steps to
keep feces out of pools and to prevent infections:
Parents of young children should take the following steps:
Dr. Robert Glatter, an emergency medicine physician at Lenox
Hill Hospital in New York City, said the new study "highlights the
importance of practicing good hygiene anytime we swim in a pool,
since the potential for contamination with fecal organisms, which
could lead to severe diarrheal illnesses, remains an ever present
"From a public health standpoint," he added, "it is especially important for people to avoid swimming when they have diarrhea, as other swimmers could swallow germ-laden water and potentially become ill.
The study reveals a "true public health concern, and reinforces
the need to practice safe and effective swim hygiene as the summer
approaches," Glattner said.
The study appears in the May 17 issue of the CDC's
Morbidity and Mortality Weekly Report. Its release is timed
in advance of Recreational Water Illness and Injury Prevention
Week, May 20-26. The goal of the prevention week is to "raise
awareness about healthy swimming, including ways to prevent
recreational water illnesses (RWIs). Germs that cause RWIs are
spread by swallowing, breathing in the mists or aerosols from, or
having contact with contaminated water in swimming pools, water
parks, hot tubs, interactive fountains, water play areas, lakes,
rivers, or oceans," according to the CDC.
For more on healthy swimming visit the
U.S. Centers for Disease Control and Prevention.
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