When it comes to vaccinating their babies, bees don't have a choice - they naturally immunise their offspring against specific diseases found in their environments, scientists say.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/bees-naturally-vaccinate-their-babies-study
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-standard-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/honey-bees
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diseases
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/scientists
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vaccination
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/poultry
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/reptiles
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/amphibians
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biodiversity