Pakistan has begun a nationwide vaccination campaign to protect 45 million children from polio after a surge in new cases that has hampered years of efforts to stop the disease in one of the two countries where it has never been eradicated Health ABC News: Health
Pakistan has begun a nationwide vaccination campaign to protect 45 million children from polio after a surge in new cases that has hampered years of efforts to stop the disease in one of the two countries where it has never been eradicated
