Once, vaccines were the poor relations of therapeutic drugs. Traditional vaccines, the sort used to combat childhood diseases such as measles, polio are a low-tech, low-cost boon to public health
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/big-shots
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/economist-london
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health