Hi,
It's throwing NRE's

Failed to call hook 'OnTick' on plugin 'Diseases v1.0.3' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.Diseases.OnTick () [0x0018e] in <7dc6190759804baf8e1e2a4037816f3a>:0 
  at Oxide.Plugins.Diseases.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00562] in <7dc6190759804baf8e1e2a4037816f3a>:0 
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <80b90e8213db44b29ec2d4111764172c>:0 
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <ec05e0208c9149bba43236ca58fea105>:0 
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <ec05e0208c9149bba43236ca58fea105>:0 
Unloaded plugin Diseases v1.0.3 by mr01sam​

Thanks for pointing this out, I've remedied this issue on version 1.0.4 (I hope). Its a temporary fix for now, I might have to do some refactoring to ensure the root problem is solved in the future. Let me know if this is still occurring on 1.0.4.