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What are the different levels of viruses? How does the CDC classify the viruses?
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You can read more about them on the CDC's own website. http://www.cdc.gov/OD/ohs/symp5/jyrtext.htm
But just briefly:
Level 1: Contagion is minimal. Using masks and gloves will protect against these agents (chicken pox, e. coli, for example)
Level 2: These cause potentially severe illness in humans, but are still easy to protect against. (Hepatitis, Influenza)
Level 3: These agents can kill a human, and require protection against infection. You must wear breathing protection as well as covering up skin. (smallpox, tuberculosis, west nile virus)
Level 4: These will kill or cause significant illness to a human. Full skin protection, breathing protection, essentially a moon suit is required to handle these agents. (ebola, hantavirus, hemorrhagic fever)
But just briefly:
Level 1: Contagion is minimal. Using masks and gloves will protect against these agents (chicken pox, e. coli, for example)
Level 2: These cause potentially severe illness in humans, but are still easy to protect against. (Hepatitis, Influenza)
Level 3: These agents can kill a human, and require protection against infection. You must wear breathing protection as well as covering up skin. (smallpox, tuberculosis, west nile virus)
Level 4: These will kill or cause significant illness to a human. Full skin protection, breathing protection, essentially a moon suit is required to handle these agents. (ebola, hantavirus, hemorrhagic fever)
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voted helpful: chazzyfen
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