Table 1.

Micro-organisms causing early onset infection in very low birthweight infants^*

	Rate per 1000 live born infants
	1991-93	1998-2000
Group B streptococcus	5.9	1.7
Other Gram positive organisms	5.0	4.0
E coli	3.2	6.8
Other Gram negative organisms	5.1	2.6

^*Adapted from Stoll BJ, et al. N Engl J Med 2002;347: 240-7