When is the next rakghoul plague event ?

[benbsp]

I am trying to get all the things needed for Doctor Lokin and I have been told the rakghoul plague event must be going on. So is there a way to get all the things without the event If not when does the next one start

 

Thanks for all the help.

[eriha]

In two weeks, on Tatooine. You only need it for the second part, though, meanwhile you can give him the mats he needs