19th May is the world hepatitis testing day. The reason this day is being observed is because 50% people, even in developed countries, are not aware of that they are suffering from hepatitis.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/about-15m-pakistanis-suffering-hepatitis
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/pakistan-observer
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hepatitis
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pakistan
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diseases
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/south-asia