While virusoid-like agents might be a progenitor of viroids, we cannot envision such a role for HDV. While only one example of a retroviroid is known, we cannot ignore that HDV, at one point in ...
It is also the eighth installment in a series on hepatitis D virus, a virusoid-like pathogen that causes serious human disease. You may read the others on Forbes or www.williamhaseltine.com.