Different coronaviruses do swap genes freely,as Michael Lai of the
University of Southern California in Los Angeles discovered.But they can
also make sudden jumps in their tissues and host preferences just through
RANDOM MUTATIONS,he says.
http://www.newscientist.com/inprint/ipcontents.jsp
(my highlighting)
p8 12 April NS NOW HEAR THIS...
With the virus said to be still rampant in south central California,all
owners of cats are advised under pain of guns confiscation to pass them
in...all Chinese restaurants are hereby authorized to accept all these
feline disease vectors.
http://www.cdc.gov/ncidod/sars/
