Rise in Fatal Naegleria Infections in Karachi linked to domestic water supply

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We are increasingly alarmed at the number of cases of Naegleria (Free living amoeba) spp being reported from hospital and clinical laboratories in Karachi. This infection is associated normally with swimming in warm fresh ponds or lakes. However with an increase in temperatures and monsoon rains the domestic water supply may have become contaminated.

Naegleria infections are fatal and we strongly advise chlorination of all water supplies before domestic use. In particular recreational activities involving water parks, ponds and swimming pools must ensure that the water being used is safe.

We urge the local civic authorities to provide adequate filtration and chlorination of all domestic water for public use.

Infectious Diseases Society of Pakistan