Complete and official information for the public and health care providers, including information for patients and their close contacts.

Symptoms and treatment guidelines, travel advisory, and daily outbreak updates. From the World Health Organization (WHO).

Admission statistics, ways for the public to reduce their chances of contracting respiratory illnesses, and details of steps taken by the government to contain the illness. From the Hong Kong Department of Health.

Basic facts, estimates of the doubling time of the epidemic, and outlines of best-case and worst-case scenarios. Also discusses the need for more basic research on viral diseases.

Official criteria for suspect and probable cases from the World Health Organization (WHO).

General information about the disease for the public, child care and school workers, and health care professionals. Discussion of the quarantine measures to be taken during the public health emergency in Toronto, Ontario, Canada. In English, Chinese, Vietnamese, Tamil, and French.

Information and special commentaries from the faculty of Harvard Medical School.

Updates on Canadian cases of the disease, description of its symptoms, and travel advisory.

Radiological and CT features of SARS, with many sample images. From the Department of Diagnostic Radiology and Organ Imaging of the Chinese University of Hong Kong, Prince of Wales Hospital.

Autopsy and cytological findings, with pictures of pertinent specimens, assembled by a group of doctors and pathologists in Hong Kong. Intended to assist other clinicians in diagnosis.

Information on the research program of the National Institute of Allergy and Infectious Diseases, US.

An attempt to document the history and spread of Severe Acute Respiratory Syndrome and its impact on society as it happens.

A comprehensive guide to SARS, with articles by a team of science journalists at the Australian Broadcasting Corp. It details what is known about the outbreak, the virus, the ensuing panic and known symptoms and treatments.

Discusses whether kids are at risk for SARS, common symptoms, and what parents should do to protect their children from severe acute respiratory syndrome.

Information about the imaging and pathology of SARS.

News, links and information from The United States National Library of Medicine.

Fact sheets, education and training, and official remarks and reports by Saint Louis University, School of Public Health.

Several online primary resources about SARS, including government documents.

Weblog featuring news, analysis, and resources.

General information and guidelines for travellers. [English, German and French.]

General information, travel information and recomendations for those in close contact.

Information for students and employees, including guidelines and protocols. [Some information in Chinese.]

Personal site offering statistics, analysis and photos.

Graphical representation of worldwide cases.

Collected references on the disease and related topics, including general press, medical journals, and public health departments of affected countries.

Areas covered includes news, treatment, research and travel.

Organized news and information links, current SARS statistics, pictures and forum.

Presents alternative opinion that the disease is merely a social experiment.

Surveillence updates, and information for healthcare staff, border and airport staff, and the general public.

SARS related art by varied artists.

Includes definition, causes, symptoms, and treatments.

Information and a forum for SARS Hospital Authority Convention.