Coverage evaluation surveys amongst children in some blocks of West Bengal.

Immunisation coverage evaluation was carried out in 9 Blocks of West Bengal amongst 12-23 months old children. Fully immunised status of 5 blocks were under 16%. Poor measles vaccine coverage thought to be the reason. Other vaccine coverage was more than 60%, in most of the blocks excepting Hilly Balurghat and Tamluk. "Child ill-not brought" was the important reason for immunisation failure in most of the blocks.