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Science 10 March 2000:
Vol. 287. no. 5459, p. 1753
DOI: 10.1126/science.287.5459.1753a
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Letters

This Week's Letters

In response to an earlier letter, details of the abundance and characteristics of CO2 clathrate-hydrates under martian conditions are presented to explain why such clathrates could not have been involved in the loss of the Mars Polar Lander mission. Whether the current epidemic of human Salmonella enteritidis infections, particularly in the United Kingdom, began in the 1960s or 1980s is debated. And a hypothesis about the origins of this epidemic, "that eradication of [Salmonella] gallinarum... opened an ecological niche that allowed... S. enteritidis strains to be introduced into poultry flocks from their rodent animal reservoir," is discussed, including whether sources other than poultry might be to blame.

Letters in This Issue

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[Letter] Clathrates Are Not the Culprit
Hugh H. Kieffer
[Letter] Salmonella enteritidis Epidemic
Linda R. Ward, John Threlfall, Henry R. Smith, Sarah J. O'Brien; Hans Riemann, Phil Kass, Dean Cliver. Response Andreas J. Bäumler, Billy M. Hargis, Renée M. Tsolis
[Letter] Corrections and Clarifications


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Science. ISSN 0036-8075 (print), 1095-9203 (online)