Pakistani health officials have suspended a nationwide anti-polio campaign following the killings in less than a week of a health worker and two policemen escorting vaccination teams.
Pakistan is one of only three countries in the world where polio is still endemic.
But militant threats, deep-rooted superstition, and opposition to vaccination by some local clerics have prompted many parents to refuse to have their children vaccinated there.
Authorities say unidentified gunmen targeted polio workers and police assigned to protect them in three separate attacks during the past week.

Just as well , what good is a vaccination when you’re born that way.
Let them enjoy their polio.
They’ve got enough people in Pakistan that they don’t have to worry about any epidemics.
Just another day in Pakistan. I wonder what the vaccination rate is in the Thorncliff Park area?
I’m all for informed-consent, but this is a little too much…
Allahu Akbar. Kill all the educated peoples.
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They have a cure all vaccination. Its a shot you take , most effective when given through the head . Nope ,no worries about polio, nothing after one of them. You can even get booster shots