[riri]

Next they took serum (some liquid from the blood) from a patient with SARS and added this serum to the monkey cell culture. The cells un-deformed.

Am I understanding this correctly? They took a serum from the blood of person who had "recovered" and was now showing immunity against the virus and this serum was retuning the infected calls (of the monkey) back to normal? Showing a recovery of sorts?

[Doctor Stochastic]

Not necessarily recovery, but at least a response. That's what the article seems to say.