Polio vaccination teams successfully reached more than half a million children in Gaza during Round One of an ambitious campaign.

The second round of a vaccination campaign to protect 640,000 children in Gaza against polio will also deliver micronutrients - essential vitamins and minerals - and conduct nutritional screening, a senior U.

The Taliban has suspended polio vaccination campaigns across Afghanistan, the United Nations announced Monday. News of the suspension was relayed to U.N. agencies right before the September immunization campaign was due to start.

Polio vaccinations are wrapping up in Gaza on Thursday as the World Health Organization and its partners attempt to inoculate 90% of children under age 10.

The U.N. says the Taliban have suspended polio vaccination campaigns in Afghanistan. It's a devastating setback for polio eradication.

In a bid to counter malnourishment in Gaza, the UN will add nutrients to the second round of the polio vaccination campaign. As per the global health organization, over 3,000 children are undernourished.