Second National Communications
39
The following annual trends were noted for the different diseases.
Graph 10. Annual Trends of food & water-borne diseases, NESSS, 1989 - 2007
Cholera
Typhoid fever
2500
2000
Number
1500
1000
500
0
1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007
Graph 10 shows that there was an upsurge of cholera cases in 1994; pockets of local outbreaks were
investigated in the Bicol region and elsewhere. After this, the trend has been downward with a small
peak in 2004.
Graph 11. Quarterly Trend of Typhoid fever cases, NESSS, 1993-2008
500
400
Number
300
200
100
93
Q
1
93
Q
3
94
Q
1
94
Q
3
95
Q
1
95
Q
3
96
Q
1
96
Q
3
97
Q
1
97
Q
3
98
Q
1
98
Q
3
99
Q
1
99
Q
3
00
Q
1
00
Q
3
01
Q
1
01
Q
3
02
Q
1
02
Q
3
03
Q
1
03
Q
3
04
Q
1
04
Q
3
05
Q
1
05
Q
3
06
Q
1
06
Q
3
07
Q
1
07
Q
3
0
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