Bacteria and viruses are both types of microorganisms which can cause various types of infections and diseases in humans, plants, and animals. There are many differences between bacteria and viruses which help to differentiate the two and cause them to require different treatment options.
There are many different types of bacteria and ways to classify them into groups. Not all bacteria are bad, like you may have previously guessed. Did you know that your body is loaded with hundreds and thousands of bacteria that serve to colonize your body in order to prevent overgrowth of pathogenic elements?