The proper way of saying "Human to Human" is Human to Human. EX. Can a worm pass from Human to Human? No.
There should be a customer service number a the bottom of the last page of the bureau.
Opinion. Perhaps this question assumes an unfair generalisation. It is part of the basic human character to be concerned about our fellow human beings. Stories regularly appear in the press about...
yes
Human vs. Human is simply a conflict between two humans.