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Risk For Pakistan's Polio Workers Escalates

The death toll of Pakistan's polio workers shot while trying to administer vaccines to needy children now stands at nine. The Taliban hasn't claimed responsibility and Pakistan is investigating. The United Nations has said it has pulled its field workers, but the Pakistan government says it will continue the program without them. The government has sent workers out under armed guard and suspended the program only in Sindh province and there is some talk of moving vaccinations into hospitals in some districts.