What are communicable diseases?

May 20th, 2015
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A communicable disease such as a cold is a disease that spreads from person to person. Communicable diseases are diseases that you can "catch" from someone or something else.

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Biology:What are communicable diseases?A communicable disease such as a cold is a disease that spreads from person to person. Communicable diseases are diseases that you can "catch" from someone or something else. Some people may use the words contagious or infectious when talking about communicable diseases.Different types of germs?There are four major types of germs:BacteriaVirusesFungiProtozoaBacteria are EVERYWHERE! They live in sub freezing cold temperatures and boiling hot temperatures. They live up high in the sky and down deep below the ocean. In fact scientists have found colonies of bacteria thriving 1,600 feet below sea level without oxygen or sunlight. Scientists also think there are signs of microbial life on Mars! Some bacteria are harmful but most are harmless or even helpful.Few harmful causes of bacterias:Common bacteria associated with food poisoning is

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