Protests in the capital city in recent months have kept the PM consumed resulting in his government delaying the reconstitution of the polio cell which was disbanded during the 2013 elections.
That meant provinces did not pay workers their stipends of $2.50 a day on time, said Shahnaz Wazir Ali, a polio adviser to Sindh province.
"We had a loss of about nine to 10 months, which is a very big setback," Ali said.
Ayesha Farooq, the prime minister's appointee on polio, admitted there were problems, but said that payment arrears were down to provincial, not central government.
Most new cases were in areas where security was poor so children had not been vaccinated, she said, and denied that PM Nawaz was not taking the issue seriously.
"We have got to take responsibility for our weaknesses," Farooq told Reuters. "The quality of campaigns is something we will be paying close attention to."
Polio: A thing of the past?
"It's frustrating. Eradicating polio is not rocket science," said Elias Durry, head of the World Health Organization's (WHO) polio campaign in Pakistan.
"If we could have three to five months to have really good campaigns, then we could get rid of this disease," he said. "We have been doing half-baked campaigns in high risk areas," he said.
Polio was meant be a thing of the past. A global campaign came tantalizingly close to wiping out the disease altogether.
Now polio, which can kill or paralyse a child in hours, is endemic only in Pakistan, Afghanistan and Nigeria. So far this year, Pakistan has had 217 polio cases, a 14-year high accounting for 85 percent of instances around the world.
The disease spreads easily from person to person, and Pakistan has already exported the virus to Syria, China, Israel and Egypt. Experts say complacency is not an option and the government has called the situation an "emergency".
Yet as the latest vaccination campaign kicked off this week in the broiling, garbage-strewn alleys of Karachi, vaccination workers said they had not received stipends from the provincial government for months.
Some have dropped out of the campaign in Karachi, where the disease is entrenched.
As teams prepared to venture out on vaccination missions into some of Karachi's most dangerous streets, police deployed to protect them showed up late.
Vaccinators must wait, meaning they miss children. Sometimes only a third of children in an area are vaccinated, the WHO said, and low coverage fuels new outbreaks.
Police protection
Militants have also long been the scourge of polio vaccination campaign, attacking aid workers and the police who protect them as they distribute doses to children.
For frontline polio workers, late pay is less worrying than lack of protection. Sixty-four people have been killed in attacks on polio teams and their security escorts since 2012, when the Taliban banned vaccinations in areas they controlled.
Their targets are women like 19-year-old medical student Asma Nizam, who received a death threat for taking part in the program.
"A man came on a motorbike and said, 'if you want to save your life, you should go from here'," she said.
The next day, militants killed five of her colleagues.
As she prepared to visit Karachi slums on a vaccination mission last Monday, police sent to protect Nizam were three hours late.
Police are thinly spread, especially in crime-ridden Karachi where only 26,000 police watch over the huge city. Some are seconded as bodyguards for politicians.
"I have seen six police taking a VIP's teenager to the salon but they cannot spare any officers to protect the poor children of Pakistan," one health official burst out in exasperation.
Karachi police spokesperson Atiq Shaikh said the force was severely understaffed.
"Polio campaigns take 2,000 officers. But we always provide them with security even though we have some time constraints," he said.
A further hurdle is caution among families offered the treatment. Some believe militant propaganda that says vaccinations are a Western plot to sterilize children.
Aiding polio's spread has been this year's military offensive in the tribal region of North Waziristan, which drove nearly a million people out of the conflict zone.
The mass movement allowed workers to vaccinate children previously unreachable. But families also moved to areas where vaccination coverage was patchy, allowing polio to reestablish itself in cities where it had been eradicated, experts say.
Children may need the oral vaccine up to 10 times for it to be effective. Many children are malnourished or have diarrhea so the vaccine is not absorbed.
The unlucky ones may end up like Rafia, a chubby two-year-old with kohl-rimmed eyes. Her legs were partially paralyzed after contracting polio this summer.
"She was vaccinated whenever they came," said her father Ghulam Isaq, a shopkeeper. He massaged her tiny toes as a group of black-robed polio vaccinators looked on, only their eyes visible above black niqabs covering their faces.
"We need help even if we are poor," Isaq said. "We are Pakistanis too."
COMMENTS (14)
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Maybe did this on purpose so people get sick and one of his relative import medicen for free and sell it for profit. Pathetic leaders
Don't blame Nawaz.....he most probably thought polio was a game played on horseback.
Nawaz Sharif promised to appoint independent board and professional management for good governance at all institutions. He didn't deliver on a single promise.
The PM and his tactics of appointing family members and loyalists at every key posts, instead of making merit based apointments, have rendered this govt totally incompetent. This govt will NOT learn from its mistakes and continue with same corrupt, useless system. Go nawaz goooo. IK is our only hope now.
Shame on you Nawaz. You should be tried for child abuse and neglect in the highest court of law.
What is PTI's achievement in ending Polio in KPK ?
He was desperately trying to dig some of his relative to head the post as lots and lots of money can be made from this campaign. Somehow he finally came to pass and appointed a person whom he thinks would make him some extra cash too. Its all about money, Polio has nothing to do with it. People and children will get affected and die, so what, our PM still makes money.
This is exactly what Imran Khan and PTI want. The more instability and problems they can cause for the government, the better their chances of getting in. I don't support this poor loser party any more after they have shown that they will do anythiing to get in power. I support the lected government of Nawaz Sharif and their right to complete their term despite being molested by anti democratic forces of PTI and PAT.
And on the other side we haa a New, Immature, Non-experienced Political Party who actually finished off Polio from Peshawar (as per report of W.H.O, they had tested the sewers for Polio and declared is clean). Thanks to IK and his tireless efforts to eradicate Polio.
However, now after influx of more than a million refugees from FATA, the Polio is spreading again, and PTI is back in action to eradicate it!
Blame PTI and PAT dharnas for this as well. The truth is that when one has his eyes set on commission making adventures then awam go down the drain. Sadly this is not limited to center only. Our beloved jamhoriat kay supporters in Sindh set similar examples in Thar as well on a daily basis.
Actually Ishaq Dar takes too much of his time.
He probably ran out of family members to appoint.
Go, Nawaz, Go!
Classic... all that is wrong with NS and the style of government!