VOA News examines polio vaccination efforts in Pakistan, where “authorities say national pride is now at stake for polio eradication and they are hoping to overcome years of setbacks from natural disasters, misinformation and war.” Though health workers hold eight nationwide vaccine campaigns each year, reaching each child is challenging because of fighting in some regions; migration; public mistrust of the vaccine; and inadequate clean water and sanitation, which allows the polio virus to thrive, according to VOA (Padden, 3/20).