| 11. | Giardia can cause diarrhea and other gastrointestinal problems.
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| 12. | Giardia and cryptosporidium are most dangerous to people who already have weakened immune systems.
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| 13. | The culprit was an outbreak of the potentially deadly microscopic parasites giardia and cryptosporidium.
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| 14. | Mittagong ) upstream, so there is possible that water is infected with Giardia.
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| 15. | They include " Giardia lamblia ", which causes giardiasis in humans.
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| 16. | Giardia lamblia, leishmania, trichomonas vaginalis, and fungi serve as natural hosts.
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| 17. | Drinking polluted water can also result in Walkerton ), Giardia, or Cryptosporidium.
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| 18. | Giardia lamblia cysts ) for a given disinfectant under constant temperature and pH conditions.
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| 19. | But Spiegel said he commonly finds giardia infecting foreigners who come to the center here.
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| 20. | The levels of a second parasite, giardia, were also higher than previously recorded.
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