This article is in need of more references. Sections and paragraphs that are devoid of references include:

• "European outbreak" section
• "Middle Eastern outbreak" section
• "Anthrax and others?" section
• "A Malthusian crisis" section
• "Religion" section
• "Modern" section

Once these issues have been resolved, please respond back on this page. Gary King (talk) 17:22, 16 September 2008 (UTC)[reply]

Because there has been no response in over a week, I have delisted the article. Gary King (talk) 16:55, 25 September 2008 (UTC)[reply]