THURSDAY, Sept. 22 (HealthDay News) -- There were 134 waterborne disease outbreaks associated with swimming pools and other recreational water in the United States in 2007-08, and 36 outbreaks associated with drinking water, according to two federal reports released Thursday.
The 134 recreational water illness outbreaks that occurred between January 2007 and December 2008 occurred in 38 states and Puerto Rico, caused at least 13,966 cases of illness, and was the highest number of such outbreaks ever reported in a two-year period.
The number of recreational water illness outbreaks -- which include outbreaks linked to swimming pools, rivers, lakes and ocean water -- increased by 72 percent between 2005-06 and 2007-08, according to the Centers for Disease Control and Prevention.
Sixty (45 percent) of the outbreaks in 2007-08 were caused by cryptosporidium, a parasite that's extremely resistant to chlorine. Reversing the growing number of recreational water illness outbreaks will require improvements in swimming pool disinfection and operation, stronger pool regulations and enforcement, and better swimmer hygiene, the CDC said.
The agency outlined a number of ways to prevent recreational water illness outbreaks:
The analysis of national data also found more than 4,000 cases of illnesses and injuries occur each year due to chemicals in private and public pools. Good chemical-handling practices can prevent these problems, the CDC said.
The CDC also said eight fatal cases of primary amebic meningoencephalitis -- rare and deadly brain infection -- occurred
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