This isn't XMRV specific nor necessarily retroviral specific but it is an interesting blog with Dr. Karla Kirkegaard and Dr. Vincent Racaniello (Virology Blog) about viral replication, life cycles and new thoughts on treating to avoid development of drug resistant viral strains.
http://www.virology.ws/2010/03/22/futures-in-biotech-56-rna-viruses-and-more/
It also includes a lot of general information explained in simple terms that may help some to better understand viruses and ways in which we try to eradicate them (I found it useful). It is long (70:00) and most of the new information is presented by Dr. Kirkegaard in the last 30 minutes.
http://www.virology.ws/2010/03/22/futures-in-biotech-56-rna-viruses-and-more/
It also includes a lot of general information explained in simple terms that may help some to better understand viruses and ways in which we try to eradicate them (I found it useful). It is long (70:00) and most of the new information is presented by Dr. Kirkegaard in the last 30 minutes.