The UN’s agency for Palestinian refugees (UNRWA) says more than 556,000 children in the Gaza Strip have received a second dose of the poliovirus vaccine through health centres, mobile medical points and door-to-door efforts, Al Jazeera reports.

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The UN’s agency for Palestinian refugees (UNRWA) says more than 556,000 children in the Gaza Strip have received a second dose of the poliovirus vaccine through health centres, mobile medical points and door-to-door efforts, Al Jazeera reports.
