In one of the largest deworming programmes in India, an international NGO in collaboration with Bihar's health department has reached out to 17 million school children between the age of 6-14 years.
http://www.ummid.com/news/2011/November/11.11.2011/dewormed_kids_in_bihar.htm
http://www.ummid.com/news/2011/November/11.11.2011/dewormed_kids_in_bihar.htm