21.   WHO fears that if the vaccine is administered by untrained workers there is too much scope for contamination and spreading other diseases via infected needles, said Aylward.

22.   Bangladesh formally launched a mass campaign against polio Monday, with caretaker leader Muhammad Habibur Rahman administering polio vaccines to five children in a ceremony.

23.   Downing street denied it was investigating the costs of administering separate vaccines.

24.   The vaccines would be administered to health workers helping plague sufferers.

25.   Nobel laureate Mother Teresa features on posters administering the vaccine to a child while Laloo Prasad Yadav, the charismatic chief minister of Bihar, issued a stern warning.

26.   Prime Minister Sheikh Hasina Wajed formally declared the drive open late Saturday by administering polio vaccines to several children at a function in Dhaka.