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.
The Internal Revenue Service imposes a self-employment tax on self-employed individuals. This self-employment tax consists of a Social Security tax and a Medicare tax. Normally, self-employed individuals must pay a Social Security tax of 12.4 percent on the first $106,800 of income. However, the 2010 Tax Relief Act has temporarily lowered the Social Security Tax to 10.4 percent.