People and pets can cross-infect each other with this increasingly common superbug.
To hear samples of solicitation vs. nonsolicitation purrs, go to
http://www.lifesci.sussex.ac.uk/cmvcr/Domestic%20cats.html
Source: McComb K, Taylor AM, Wilson C, et al. The cry embedded within the purr.
Curr Biol
2009;19(13):R507-R508.