This is a continuation of the mod Bionisation for Minecraft 1.9.4 - 1.11.
Bionisation 2 it is mod which adds to the game different kinds of viruses and bacteria, which give the player positive and negative effects. Also there are herbs that used to prepare cure against them. Now player can create his own viruses in special machines with "air spread", "poison" and many other effects. Some of this machines used to prepare vaccines, battle potions(which give the player positive effects for 30 min.) and other cure.
There are more than 70 different kins of viruses, bacteria and cure effects. Some viruses can spread through air between mobs and players, some bacteria can be found in places which were not even aware.
All necessary information you can find in the Research Book:
More than 70 viruses, bacteria and cure;
Immunity system. The weaker is immune system, the stronger is effect on the player;
Temperature system, Fever, Hypothermia and other effects;