Owen Bowcott and Rob Evans
London Guardian 
May 17, 2010
British scientists experimented with ways of spreading foot-and-mouth disease, and lethal infections such as dysentery, cholera and typhoid in secret biological warfare trials during the second world war.
An extensive list of the contagious agents and plagues that could be turned into weapons of mass destruction is revealed in files from a War Cabinet committee released to the National Archives.
The government was known to have produced 5m anthrax-filled cakes to infect cattle in Germany during the war, but the latest documents show research was carried out into a far larger variety of diseases, mostly in Porton Down, near Salisbury, and Pirbright in Surrey.
Experts reported to the War Cabinet’s Porton experiments sub-committee, which acknowledged that “bacteriological warfare” was outlawed by the 1925 Geneva protocol. The minutes, only now released, are labelled “secret” and “to be kept under lock and key”. One session on “Toxin X” – thought to be botulinum – was so sensitive the minute records: “Not circulated.”
An interim report in January 1941 said: “The diseases considered most likely to be effective in bacteriological warfare are:
• Human diseases: enteric group (typhoid and para-typhoid), dysentery and cholera.
• Animal diseases: anthrax, foot-and-mouth disease, rinderpest, glanders, and swine fever. (Anthrax and glanders also affect human beings under conditions favourable for infection).”
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