Yes lesser cure cures everything, also why r u saying aids insted of mega rabies and swamp feaver? Also greater cure would be used for more advanced things, other potions and diseases and poison.
i call it mega aids and swamp aids cause aids is one of my most used words when i cant think of the right word to say, also most Australians that i meet in the game call it swamp aids or mega aids, so maybe its an Australian thing idk. also id really like to see more diseases in the game.