You can be protected by Cures and treatments. Things take time to be recovered from. They can make you heal really slowly.
Ebola, the flu, Gonorrhea. Even a cough from breathing in too much badlands dust. These don't have to show up on your @stats either.
As a part of this, we've changed how PDS is experienced. Much as before, there are several levels of experiencing it, but it uses the new infection system. Using your cyberware or witnessing someone else use theirs can trigger feelings of superiority and the resulting outbursts that follow. With this change, we'll move to add more nuanced pds symptoms at the high end so that those with severe cases can experience the severe symptoms in a reasonable manner.