The World Health Organization (WHO) says that measles cases surged in Pakistan in 2012, with 306 children dying of the disease last year.
Afghan peace negotiators are welcoming the release of eight Taliban prisoners who were being held in Pakistan.
Gunmen have ambushed and shot dead six female aid workers and a male doctor in the Swabi district of Pakistan's Khyber Pakhtunkhwa province.
Two prominent secular ethnic Pashtun politicians in Pakistan have called on Islamabad to take decisive action to end extremist sanctuaries in the country's northwestern tribal areas.
The bullet-ridden corpses of nine Taliban fighters have been discovered in a northwestern Pakistani tribal region.
Pakistan's most high-profile Taliban detainee, former deputy leader Mullah Abdul Ghani Baradar, was not among those freed.
At least 19 people were killed in southern Pakistan in a bombing that targeted buses carrying Shi'ite pilgrims.
The bodies of 21 Pakistani soldiers kidnapped on December 27 were found some four kilometers from the place they were captured.
Pakistani officials say an explosion on a bus in the southern Pakistani city of Karachi has killed at least four people and wounded more than 40.
Pakistani Taliban leader Hakimullah Mehsud has said his organization could be open to talks with Islamabad but that his movement would not disarm.
Pakistani security sources said U.S. drone attacks targeting a suspected militant compound have killed at least four people in a restive tribal area near the Afghan border.
Regional officials say militants have seized at least 22 men from a paramilitary security force in attacks on checkpoints in northwest Pakistan.