[CNA - Saturday, Mar 15, 2003]
Five more hospital workers showed symptoms of pneumonia yesterday, bringing the total to 29 in an outbreak that has raised fears of a mystery illness. The Mainland Affairs Council yesterday warned people planning to visit Hong Kong to be alert to the dangers of catching atypical pneumonia there, as a hospital in Taiwan treated a couple suspected of contracting the potentially deadly disease in Guangdong Province.
[From medical dictionary]
Atypical pneumonia refers to pneumonia caused by Legionella pneumophila, Mycoplasma pneumoniae, and Chlamydia pneumoniae. While atypical pneumonias have been commonly associated as a whole with milder forms of pneumonia, pneumonia due to Legionella, in particular, can be quite severe and lead to high mortality rates.