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Deaths from rare protozoan encephalitis in Karachi blamed on unchlorinated water

BMJ 2013; 346 doi: (Published 31 May 2013) Cite this as: BMJ 2013;346:f3580
  1. Abdul Nafey Kazi,
  2. Talha Riaz
  1. 1Karachi

The re-emergence of the deadly water borne Naegleria fowleri in the city of Karachi in Pakistan has been blamed on failure to chlorinate the city’s water supply.

There were 10 deaths from the amoebic disease in the city in 2012, and one reported death so far in 2013.1 In 2012, Karachi was the only city in Pakistan to report cases of the disease.

N fowleri, commonly known as “brain-eating amoeba,” is a free living …

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