By Jamie Deckoff-Jones:
Take a look at this paper discussing possible ways that XMRV found it's way into humans, Of mice and men: on the origin of XMRV. Van Der Kuyl. Of note is that mouse cells were first used in vaccines in 1931.
Epidemic neuromyasthenia; clinical syndrome. Henderson. NEJM 1959 documents the first outbreak as having occurred in 1934. An epidemiological goldmine ignored for half a century following the publication of this fine paper. It is hard to ... Read more>>