Communicable Disease Summary for the West Yorkshire Health Protection Unit: 2004 (PDF, 535 KB)
Communicable Disease Summary for the West Yorkshire Health Protection Unit: 2005 (PDF, 1.9 MB)
Communicable Disease Summary for the West Yorkshire Health Protection Unit: 2006 (PDF, 905 KB)
West Yorkshire Health Protection Unit Annual Report 2007 (PDF, 4.1 MB)