The WHO is concerned about recent cases from a 'red zone' that is close to internally displaced person camps.
"This does not mean that WHO is not taking the outbreak seriously."
Two burger chains got an "A," one a "D-," and 22 an "F" for their antibiotic sourcing policies.
The report shows a 20% decline in antibiotics for food animals in 25 EU nations from 2011 through 2016.
So far 62 acute flaccid myelitis cases—marked by sudden limb weakness—have been confirmed.
The new cases lift the outbreak total to 211, including 135 deaths.
Among low-risk women, 1.2% who got clindamycin had a late miscarriage or very preterm delivery, similar to placebo.
As officials report 11 new cases, the WHO says the situation is deteriorating.
The median vaccine exemption rate in kindergartners climbed for the third year in a row, to 2.2%, and 1.3% of 2-year-olds get no vaccines.