Updated On: 21 April, 2012 04:29 AM IST | | Agencies
The World Health Organisation (WHO), which is observing the year of intensification of routine immunisation in Southeast Asia, has said the region will adopt a more aggressive strategy to address the issue of low immunisation.
Countries will observe the first World Immunization Week globally starting Saturday, the WHO said Friday.
Given to immune a person against infectious diseases, vaccines stimulate the body's own immune system to protect the person against subsequent infection or disease.