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Continue to ChatKarachi polio killings: Vaccination workers shot https://www.oodaloop.com/globalrisk/dangerous/2012/12/18/karachi-polio-killings-vaccination-workers-shot/
Karachi polio killings: Vaccination workers shot https://www.oodaloop.com/globalrisk/dangerous/2012/12/18/karachi-polio-killings-vaccination-workers-shot/