Table 2.

Immunologic status of measles of healthcare workers according to birth year and age group.

	Total	Positive	Indeterminate	Negative
Birth year
1950–1954	1	1 (100)	0	0
1955–1959	4	3 (75)	1 (25)	0
1960–1964	15	12 (80)	3 (20)	0
1965–1969	29	27 (93)	2 (7)	0
1970–1974	19	14 (74)	3 (16)	2 (11)
1975–1979	27	17 (63)	7 (26)	3 (11)
1980–1984	134	89 (66)	25 (19)	20 (5)
1985–1989	330	268 (81)	46 (14)	16 (5)
1990–1994	836	537 (64)	135 (16)	164 (20)
1995–1999	432	316 (73)	25 (6)	91 (21)
Age
>60	4	4 (100)	0	0
55–59	15	12 (80)	3 (20)	0
50–54	29	26 (90)	3 (10)	0
45–49	16	12 (75)	2 (13)	2 (13)
40–44	16	11 (69)	3 (19)	2 (13)
35–39	106	82 (77)	16 (15)	8 (8)
30–34	288	234 (81)	35 (12)	19 (7)
25–29	780	583 (75)	91 (12)	106 (14)
20–24	573	320 (56)	94 (16)	159 (28)
Total	1827	1284 (70)	247 (14)	296 (16)

Data are no. (%) of healthcare workers, unless otherwise indicated.