<virology> Hepatitis delta is a severe form of hepatitis which arose recently. It is caused by a combination of the delta virus (a defective virus) and the virus which causes hepatitis B. ... (09 Oct 1997) ... Found on http://www.encyclo.co.uk/local/20973
<virology> Hepatitis delta is a severe form of hepatitis which arose recently. It is caused by a combination of the delta virus (a defective virus) and the virus which causes hepatitis B. ... (09 Oct 1997) ... 
[n] - a severe form of hepatitis