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Viruses, cryptosporidium , and giardia require very high dosages of disinfectant or longer contact times with the disinfectant than the standard recommendations.
Work to reduce the number of properties subject to sewer flooding and protecting customers from the potentially harmful parasite cryptosporidium , have forced the company to rethink its pricing.
But now a researcher at the Australian National University has invented a filter which can quickly and cheaply kill the cryptosporidium bug.
Engineers believe the new technology will cut the risk of an outbreak of waterborne bacteria such as cryptosporidium .
Manure from factory farms has been linked to diseases such as E. coli, listeria, and cryptosporidium .
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