vaccination

Police guard Polio vaccination team, during a three-day vaccination campaign in Karachi, Pakistan, 24 May 2016

Shahzaib Akber/EPA

Police guard a polio vaccination team, during a three-day vaccination campaign in Karachi. Pakistan. Though new polio cases dropped to a nine-year low in 2015, attacks by Islamist militants against health workers and police guarding them remained a challenge for a UN-funded vaccination campaign.

Afghanistan

AP Photo/Allauddin Khan

An Afghan burqa clad female health worker gives a vaccination to a child during a polio campaign in Kandahar, Afghanistan, on Monday

A Pakistani health worker administers polio drops to a young girl during a polio vaccination campaign in Karachi on January 11, 2016.  Pakistan is one of only three countries in the world where polio remains endemic but years of efforts to stamp it out have been badly hit by reluctance from parents, opposition from militants and attacks on immunisation teams

Asif Hassan/AFP

A Pakistani health worker administers polio drops to a young girl during a polio vaccination campaign in Karachi on Monday

A health worker administers a polio vaccine to a child, in Peshawar, Pakistan, 14 September 2015. Pakistan still accounts for the majority of polio cases globally. However, there has been a marked decline in cases in recent months, with only 26 children contracting the illness in 2015 after 306 cases were detected last year. More than 90 percent of the victims were from the conflict zone on the Afghan border, where gunmen linked with al-Qaeda often attack health workers vaccinating children, Health Minister, Saira Afzal Tarar, has said

Arshad Arbab/EPA

A health worker administers a polio vaccine to a child, in Peshawar, Pakistan on Monday. Pakistan still accounts for the majority of polio cases globally

A girl receives polio vaccination during an anti-polio campaign on the outskirts of Jalalabad

Parwiz/Reuters

A girl receives polio vaccination during an anti-polio campaign on the outskirts of Jalalabad on Monday

Pakistani girls show their fingers being marked after receiving polio vaccine in Lahore, Pakistan, Tuesday, June 3, 2014. Pakistan required  all travelers leaving the country to obtain a polio vaccination, the health ministry said

K.M. Chaudary/AP

Girls show off their painted fingers after receiving the polio vaccine in Lahore, Pakistan, on Tuesday

Pakistani health workers mark the thumb of a child after giving him polio vaccine drops to a child during a polio vaccination campaign in Rawalpindi, Pakistan, on February 25, 2014. Pakistani health workers go door-to-door to administer vaccinations to children for various diseases including polio, tuberculosis, tetanus, whooping cough, measles and hepatitis.Dr. Elias Durry, coordinating the World Health Organizations support to Pakistans polio eradication effort, said recorded 70 cases of polio last year and vaccinated 34 million children.

Metin Aktas/Anadolu Agency/Getty Images

Pakistani health workers mark the thumb of a child after giving him vaccine during a polio vaccination campaign in Rawalpindi, Pakistan. Pakistani health workers go door to door to administer vaccinations to children for diseases including polio, tuberculosis, tetanus, whooping cough, measles and hepatitis.

A Pakistani woman walks out of her home carrying her child towards a health worker to be vaccinated against polio in Islamabad, Pakistan, Monday, Nov. 25, 2013. On Saturday, militants kidnapped four school teachers who were working on a polio vaccination drive in Khyber's Sipah village, said local government official Khurshid Khan. Negotiations are underway for their release, he said. Militants have killed over a dozen polio workers and police protecting them over the last year and they claim the workers are spies and the vaccination is meant to make Muslim children sterile.

Muhammed Muheisen/AP

A woman in Islamabad, Pakistan, takes her child to a health worker to be vaccinated against polio. More than a dozen polio vaccine workers have been killed by militants in the past year in the country. They claim the workers are spies and the vaccination is intended to make Muslim children sterile.