TABLE 2.

Distribution of predominant S. enterica serotype Enteritidis subtypes from clinical sources by year of isolation^a

Yr of isolation	No. of isolates
	Subtype B3-pt4	Subtype B38-pt1	Total
1988-1992	6	0	6
1993-1996	87	81	168
Total	93	81	174

^aP = 0.02 by chi-square test.