Weekly releases (1997–2007) - Volume 7, Issue 34, 21 August 2003

There was a large increase in reported numbers of human West Nile virus infection in North America in 2002, compared with previous years, with 4156 cases identified in the United States

The World Health Organization has published a document describing the SARS alert criteria and a surveillance approach for the post-outbreak period of severe acute respiratory syndrome

The European Commission has issued a series of answers to a selection of questions on Transmissible Spongiform Encephalopathies (TSE), the family of illnesses that includes Creutzfeldt Jakob Disease (CJD) in humans, Bovine Spongiform Encephalopathy