Table 1. Nasal carriage of MRSA CC398 among families living on pig farms.

Category	Subcategory	Result
Carriage of MRSA CC398	Total number of families:	57
	Number of families on farms with MRSA positive pigs	47
	Number of humans exposed to MRSA positive pigs	113
	Nasal carriers among persons exposed to MRSA positive pigs	97 (86%)
	Number of non exposed family members living in contact to exposed persons carrying MRSA	116
	MRSA carriers among non exposed contact persons	5 (4.3%)
Transfer events	Number of families with transfer events	5
	Number of transfer events to non exposed humans	5
	Frequency of transfer events in relation to all non exposed humans	4.3%