The symptoms of SARs are flu like and death is caused by respiratory failure.
The human body can actually normally fight off the disease if breathing support is given, however as the disease was first discovered in Southern Asia, lack of understanding and medical care was what caused the majority of the deaths.
Despite SARs disappearing and causing very few deaths, the short media induced panic damaged the tourist trade of many Southern Asian countries significantly.
"Sorry Ab, I'll probably have a date tonight, SARS"
This is a correct use of SARS because Saylor is not serious, and won't have a date. She says this to her friends to make her seem superior, and since she says SARS they understand that she will probably come.
Yehuda: No, I can only hear the class next to us. We're in SAR!
Ruchaleh: Omigod! Did you hear about Morah Razel?
Sheindel: Wow! She was our 5th Ivrit teacher this year! Who will teach our class? Oy Vey... SAR