Table 5.

Incidence of prenatal infection with T. gondii in human neonates (1990–2000)

Country	Year of samplinga	Incidence per 1000 birthsb	Incidence per 1000 births to non-immune mothersb	Number of samples tested (n)b	Prevalence of infection in mothers (%)	Reference
Australia	1986–89	0.16*	0.23	18908	32	[137]
Austria	1991	< 0.10	–	–	37	[196]
Denmark	1992–96	0.30	0.42	89873	28	[232]
Germany	1990	1.1	–	126733*	–	[384]
Guatemala	1987	10.9	20*	550	44	[388]
Norway	1992–94	0.31*	0.34*	35940	11	[385]
Poland	1996–98	0.55	1.33	27516	59	[199]
Switzerland	1986–90	0.73	–	15000	–	[389]
	1991–94	0.33	–	15000	–	[389]
United Arab Emirates	< 1997	12	16	1503	23	[375]
United Kingdom	1992	0.3–1.6	–	13328	8	[377]
USA	1986–91	0.08*	–	530000	–	[233]
	1986–92	0.08*	–	635000	–	[201]

^aYears of sampling are listed as published in the references. In cases where this information was not available, the year listed here is the year when the study was published, as indicated by ‘<’. Data from the 1980s are included if the study was published in the 1990s and if no recent data were available for the area.

^bFigures marked with ‘*’ were calculated from the published data. –, not reported.