[Table/Fig-1]:

Drug resistance pattern of Salmonella Typhi over three decades at this centre. (n=47) [5,13].

Antimicrobial agents	Nath G et al.,2000			Pratap CB et al.,2012	This study
	1979-1989 n=44(%)	1990-1998 n=96(%)	1998-1999 n=22 (%)	2009-2010 n=36(%)	2011-2013 n=47(%)
Nalidixic acid (NA)	nd*	nd	nd	nd	36 (76.6)
Amoxicillin (AMC)	20 (45.4)	46 (47.9)	8 (36.4)	21 (58.3)	18 (38.3)
Cephalexin (CP)	24 (54.5)	60 (62.5)	10 (45.4)	nd	13 (27.6)
Cefuroxime (CXM)	4 (9.0)	12 (12.5)	2 (9.0)	8 (22.2)	13 (27.6)
Ciprofloxacin (CIP)	3 (6.8)	00	00	7 (19.4)	12 (25.5)
Ceftriaxone (CTR)	2 (4.5)	2 (2.1)	00	6 (16.7)	11 (23.4)
Cefoxitin (CX)	nd	nd	nd	nd	10 (21.3)
Azithromycin (AZM)	nd	nd	nd	nd	10 (21.3)
Co-Trimoxazole (COT)	18 (40.9)	38 (39.5)	2 (9.0)	10 (27.8)	9 (19.1)
Imipenem (I)	nd	nd	nd	nd	4 (8.5)
Chloramphenicol (C)	22 (50)	52 (54.2)	7 (31.8)	9 (25)	1 (2.1)

^*nd=Not determined.