Describes the events that enabled Cortes to conquer the vast Aztec Empire.

Presents an overview of the disease influenza, covering its history, scope, diagnosis, treatment, research, and prevention; also includes a glossary, a bibliography, and a list of related organizations.

Describes how tuberculosis attacks the body, chronicles the history of the disease, and explains how new strains resist modern vaccinations and how the spread of AIDS makes individuals more vulnerable to the disease.

Describes the life and accomplishments of the Muslim surgeon who perfected surgical techniques for bladder, kidney, and gallstone procedures, and developed several surgical instruments that are used today, including the tongue depressor

This book discusses the spread of SARS (severe acute respiratory syndrome) in Guangdong Province, China, the spread of SARS in Hong Kong, the announcement of an emergency travel advisory by WHO (World Health Organization), and the creation of the WHO's SARS laboratory network against SARS.