Environmental Science 14th Edition by Tyler Miller ,Scott Spoolman

تمرين 21

What is the key concept for this section Distinguish between bacteria and viruses, and how the diseases they can cause are usually treated. Distinguish among infectious disease, transmissible disease, and nontransmissible disease, and give an example of each. List four ways in which infectious organisms can enter the body. In terms of death rates, what are the world's four most serious infectious diseases Distinguish between an epidemic and a pandemic of an infectious disease. List the causes and possible solutions for the increasing genetic resistance to commonly used antibiotics. What is MRSA and why is it so threatening