Poliovirus has been detected in 10 out of 12 environmental samples collected from the metropolitan city's sewerage system last month, prompting Sindh Chief Minister Murad Ali Shah to order an intensified and strictly monitored eradication campaign across the province.

Presiding over a meeting of the provincial polio task force at his office on Tuesday, the chief minister voiced serious concern over environmental surveillance results showing widespread threat of the virus in Karachi and other divisions.

Surveillance data for November indicated that 10 of 12 sampling sites in Karachi and 11 of 17 sites in other districts tested positive. Calling the situation ‘alarming and unacceptable’, the CM demanded a high-quality, coordinated and disciplined vaccination efforts to curb further spread

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