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.
Longest Sniper Shot Record Broken! British Super Sniper Craig Harrison has uprooted the Canadians for the longest sniper shot on record, 1.54 miles! Not only did he beat the record by 150 ft., but took two shots that each killed a Taliban machine gunner. At 8,120 ft., which is 3,200 ft. further than the range of his Accuracy International L115A3, conditions had to be perfect. The .338 Lapua round again proves itâs worth in the battlefield.