[aristeides]

why do three people in thesame building have different pneumonias?

If the effect of SARS is to make the immune system do screwy things, it could well lead to different kinds of infection. Mycoplasma pneumoniae and other secondary infections hit rats with SDA because the SDA throws their immune systems for a loop.

[Betty Jo]

http://www.taipeitimes.com/News/front/archives/2003/05/29/2003053094

"Another study by the CDC revealed that other viruses such as chlamydia and Mycoplasma were showing up on tests done on probable cases."