According to experts, shigella has shown steady trends towards multiple drug resistance.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/diarrhoea-causing-bacteria-found-food-items-hyderabad
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/deccan-chronicle-telangana
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/telangana
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diarrhoea
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vegetables
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/infectious-diseases
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health