Year of study | Campylobacter | Escherichia coli | Giarida | Salmonella | Shigella |
---|---|---|---|---|---|
1993 | -- | -- | -- | -- | -- |
1994 | May 5 – May 21 | None found | Apr 3 – May 21a | Nov 13 – Nov 26a | None found |
1995 | Jul 24 – Sep 17a | None found | May 29 – Jun 11a | Feb 6 – Mar 5 | Mar 20 – Mar 26 |
1996 | Jun 19 – Jul 9a | None found | Mar 6 – Apr 2a | Jul 28 – Sep 17a | None found |
1997 | Jul 24 – Aug 27a | Jun 12 – Aug 6a | Mar 13 – Apr 23 | Aug 14 – Aug 20 | None found |
1998 | Jul 7 – Aug 13a | May 29 – Jun 18a | Apr 24 – May 21 | Mar 13 – Apr 9a | Mar 27 – Apr 9 |
1999 | Mar 6 – Mar 26 | Aug 7 – Aug 20a | Mar 27 – Apr 2 | Sep 25 – Oct 15a | Jan 16 – Feb 26 |
2000 | Jul 31 – Aug 20a | Jun 12 – Aug 6a | Feb 28 – Mar 5 | Mar 27 – Apr 4 | Dec 4 – Dec 24 |
2001 | Jul 31 – Sep 24a | Aug 7 – Aug 27a | Aug 28 – Oct 1 | Nov 27 – Dec 10 | Jan 2 – Feb 5 |
2002 | Nov 27 – Dec 3 | Oct 9 – Oct 22 | Jul 17 – Jul 30 | Jan 23 – Jan 29a | Jul 10 – Jul 30 |