Pakistan: Blast near polio centre in Quetta kills seven, leaves 10 injured
The explosion took place near a polio centre in Quetta's Satellite Town on the third day of a three-day anti-polio campaign which was launched in various districts of Balochistan on Monday, reported the Dawn online.
Polio workers have long been targeted in the country due to rumours that the polio immunisation drive is a front for espionage or a conspiracy to sterilise Muslims.
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Pakistan remains one of only two countries on the World Health Organisation's (WHO) list of polio-endemic countries.