UNICEF said its annual appeal announced Tuesday follows an initial request for $2.8 billion last year, which eventually grew to $3.2 billion amid escalating conflicts in Yemen, South Sudan and Iraq.
U.N. children agency seeks $3.3 billion in support in 2017 →
The agency said nearly 39,000 health workers are deployed in high-risk areas and so far approximately 30 million children have been vaccinated with the oral polio vaccine.
UN wants to vaccinate 41 million African kids against polio →
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