Pang Sheng Yang In this world, there are hundreds and thousands of communicable diseases that are pass on from person to another, at any years, young or old. Some are deadly, and some are not. Some are treatable and some aren't. Communicable disease, also called infectious diseases, transmitted through direct contact or indirectly from contaminated individuals, that includes: being bitten by an animal and/or connection with blood and fluids. Therefore, there are hundreds..