The impact of Severe Acute Respiratory Syndrome (SARS) on many tourism destinations is already greater than last year's terrorist attack on Bali and airlines have been hit harder than they were by the war in Iraq, but the industry should not over-react, according to the United Nations-affiliated World Tourism Organization (WTO).

The United Nations World Health Organization (WHO) today added three more regions of China to its travel advisory against all but essential travel because of outbreaks of Severe Acute Respiratory Syndrome (SARS).

The United Nations health agency today revised its initial estimates of the case fatality ratio of Severe Acute Respiratory Syndrome (SARS), saying that the proportion of people who contract illness, and then are likely to die from it, depends on factors such as the age group affected.

The United Nations World Health Organization (WHO) is working with countries in Africa to tighten their health surveillance systems to ensure prompt detection and prevention of the Severe Acute Respiratory Syndrome (SARS).