Peter, That is quite possible, although there is usually a strong effort here to determine cause of death in such cases (law suits, etc). Looking at the stats, Salmonella is a much scarier bug....for me, anyway. Tara -- ______________________________________________________ Tara Deen School of Geosciences Division of Geology and Geophysics Building FO5 University of Sydney NSW 2006 AUSTRALIA Phone: 61-2-9351 4271 Fax: 61-2-9351 0184 Mobile: 061 410 538 655 email: tara@es.usyd.edu.au ______________________________________________________