A<unk> virus is defined by the United States Department of Agriculture Center for Veterinary Biologics as a "new hybrid microorganism created by joining nucleic acid fragments from two or more different microorganisms in which each of at least two of the fragments contain essential genes necessary for replication."  The term<unk> already referred to an individual organism whose body contained cell populations from different zygotes or an organism that developed from portions of different embryos.
Chimera 
Lochia
Formothion
Soteria
Chancroid
Trichiasis
Xanthelasma
Byssinosis