Volume 11, Number 8—August 2005
Research
Estimating Foodborne Gastroenteritis, Australia
Gillian Hall*
, Martyn D. Kirk†, Niels Becker*, Joy E. Gregory‡, Leanne Unicomb§, Geoffrey Millard¶, Russell Stafford#, Karin Lalor‡, and the OzFoodNet Working Group
, Martyn D. Kirk†, Niels Becker*, Joy E. Gregory‡, Leanne Unicomb§, Geoffrey Millard¶, Russell Stafford#, Karin Lalor‡, and the OzFoodNet Working Group
Table A1
Sources of raw data and adjustments for each microorganism
| Source/pathogen | Raw data |
|---|---|
| Water Quality Study 1998–1989, Melbourne | No. positive/no. stools tested |
| E. coli, other (pathogenic, non-STEC)† | 53/791 |
| Calicivirus† | 75/703 |
| Rotavirus† | 11/791 |
| Astrovirus/adenovirus† | 9/791 |
| Cryptosporidium parvum† | 13/791 |
| Giardia lamblia† | 20/791 |
| Queensland and South Australian laboratory data, various years 1995–2001 | No. positive/no. stools tested |
| Aeromonas spp. † | 248/107,600 |
| Vibrio parahaemolyticus† | 2/30,880 |
| Victorian outbreaks, 4-year data, 1998–2001 | Mean no. cases/y (range) |
| Bacillus cereus‡§ | 12 (0–37) |
| Clostridium perfringens‡§ | 60 (28–73) |
| Staphylococcus aureus‡§ | 15 (0–40) |
| National Notifiable Diseases Surveillance System, 5-year data, 1996–2000 | Mean no. cases/y (range) |
| Campylobacter spp. (AOA 4%)‡§ | Not including NSW, 12,756 (11,829–13,528) |
| Salmonella spp. (AOA 8%)§ | 6,801 (5,791–7,712) |
| Shigella spp. (AOA 40%)§ | 626 (487–797) |
| STEC (AOA 21%)‡§ | 3-y data, South Australia only, 37 (18–51) |
| Yersinia spp. (AOA 2%)§ | 157 (74–212) |
*STEC, Shiga toxin–producing Escherichia coli; AOA, adjusted for overseas acquired; NSW, New South Wales.
†Proportion applied to estimate of total gastroenteritis in Australia.
‡Population factor applied.
§Underreporting factors for outbreaks and moderate illness applied.
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