I popped in to Pubmed to see if there were any studies on this. I found 6 items, but they all seem to be from other countries--France, for example. Do the French have more trouble with their cats?
1: Boillat N, Frochaux V.
[Animal bites and infection]
Rev Med Suisse. 2008 Oct 8;4(174):2149-52, 2154-5. Review. French.
PMID: 19009844 [PubMed - indexed for MEDLINE]
2: Chaillon A, Besnier JM, Choutet P.
[Pathology of inoculation]
Rev Prat. 2008 Jan 31;58(2):213-21. French. No abstract available.
PMID: 18361288 [PubMed - indexed for MEDLINE]
3: Asano K, Suzuki K, Nakamura Y, Asano R, Sakai T.
Risk of acquiring zoonoses by the staff of companion-animal hospitals.
Kansenshogaku Zasshi. 2003 Nov;77(11):944-7.
PMID: 14672006 [PubMed - indexed for MEDLINE]
4: Geffray L.
[Infections associated with pets]
Rev Med Interne. 1999 Oct;20(10):888-901. Review. French.
PMID: 10573725 [PubMed - indexed for MEDLINE]
5: Fond L, Michel JL, Perrot JL, Montélimard N, Roy M, Seguin P, Cambazard F.
[Bites by domestic animals]
Ann Dermatol Venereol. 1999 Jun-Jul;126(6-7):531-5. French. No abstract
available.
PMID: 10495867 [PubMed - indexed for MEDLINE]
6: LEINBACH SP.
THE ROLE OF THE GENERAL PRACTITIONER IN ZOONOSES.
Ind Med Surg. 1964 May;33:322-5. No abstract available.
PMID: 14142881 [PubMed - indexed for MEDLINE]
Anyway, it doesn't seem to be a concern in the U.S.