Oh! you predicted a future event! We have been talking about implementing a Disease plugin for a while (years). we are yet to test one on the test server.

The one I was looking at spread Disease through animals, so you had to heal your animals, this ones is more related to the player and changes the survival aspect, which may be too drastic for new players to understand. People have these infinite farms, that give them infinite food, which means survival is stupidly easy, I was thinking of doing an event with Disease that spreads between players/animals to infect animals, maybe players..