Co-infection of mice with 22L scrapie and F-MuLV does not affect scrapie disease incubation time.

<p>Survival curve of (B10 X A.BY)F1 mice inoculated intraperitoneally (i.p.) with 22L mouse scrapie alone (closed circles) or co-infected with 22L scrapie i.p. and FV intravenously (i.v., open circles). dpi = days post-infection.