Schistosomiasis, also known as bilharzia, is a disease caused by parasitic worms. Although the worms that cause schistosomiasis are not found in the United States, more than 200 million people are infected worldwide.In terms of impact this disease is second only to malaria as the most devastating parasitic disease.nfection with Schistosoma mansoni, S. haematobium, and S. japonicum causes illness in humans; less commonly, S. mekongi and S. intercalatum can cause disease. Although the worms that cause schistosomiasis are not found in the United States, more than 200 million people are infected worldwide.
A difficult question to answer, but the average sniper rifle in the  .300-.308 caliber can shoot anywhere between 100 and 800 yards. A  .50 caliber is estimated to effective â¦ at about 4 kilometers (2.5  miles).   US snipers are trained to engage targets at ranges up to 1000  meters.
Worldâs Longest Sniper Kill Shot Ever Recorded in History. February 14, 2016 Comments Off on Worldâs Longest Sniper Kill Shot Ever Recorded in History 4,600 Views. Former British sniper Sgt. Craig Harrison holds the record for the worldâs longest sniper kill in combat history. In his 2009 world record, he took out a machine gunner with a shot over the distance of 2.5 kilometer, more distance than his gun was supposedly capable of reaching.