The S type sounds like the one with the milder symptoms. So, that sounds preferable of the two. .
Many thanks for your info!
https://www.freerepublic.com/focus/chat/3821921/posts?page=188#188
And the L and S here:
https://www.freerepublic.com/focus/chat/3821921/posts?page=776#776
Very likely that either strain generates no immunities and a reinfection will kill you from organ failure.