In GvHD, the donated bone marrow or peripheral blood stem cells view the recipientâs body as foreign, and the donated cells/bone marrow attack the body. There are two forms of GvHD: 1  Acute graft versus host disease (aGvHD).
Self-employment tax is a tax consisting of Social Security and Medicare taxes primarily for individuals who work for themselves. It is similar to the Social Security and Medicare taxes withheld from the pay of most wage earners. You figure self-employment tax (SE tax) yourself using Schedule SE (Form 1040). Social Security and Medicare taxes of most wage earners are figured by their employers.
Self Employment Tax. The self-employed are required to pay a self-employment tax. In 2009, the self-employment tax was 15.3 percent of the first $106,800 net earnings; all earnings $106,800 are taxed at 2.9 percent for Medicare.This tax is the Social Security and Medicare tax that is normally paid by employers.elf Employment Tax. The self-employed are required to pay a self-employment tax. In 2009, the self-employment tax was 15.3 percent of the first $106,800 net earnings; all earnings $106,800 are taxed at 2.9 percent for Medicare.