Diseases came from the bacteria in the air, the bacteria or fungi moulds got into people's systems by their mouths, eyes, ears and skin so when our bodies did not have an antibiotic in our imune...
Mononucleosis ("kissing disease," EBV infectious mononucleosis, Pfeiffer's disease, Filatov's disease) comes from the Epstein-Barr Virus, which is a type of Herpes virus. Up to 90% of adults are...