[aristeides]

There are apparently several strains of SDA in rats, some much more dangerous than others. Becoming infected with a relatively benign form of human coronavirus might provide enough protection to enable one to live through later infection with the worst SARS.

[Dog Gone]

Becoming infected with a relatively benign form of human coronavirus might provide enough protection to enable one to live through later infection with the worst SARS.

Wouldn't that be interesting if the best defense to SARS is to catch the common cold this year?