In 2010, the World Health Organization (WHO) had issued a warning that in the post-pandemic period, cases and outbreaks due to the H1N1 (2009) virus are expected to occur.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/who-warning-flu-ignored-state
[2] http://admin.indiaenvironmentportal.org.in/category/author/syed-intishab-ali
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-jaipur
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rajasthan
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/swine-flu
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/influenza
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/who
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/infectious-diseases
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health