A pattern: In general a bacteria,like a staph abscess, enters the body and attacks a specific region or site, spreading locally. Viruses usually enter the body through the soft tissue of the oral cavity, eyes or nose.Viruses must enter tissue to survive and reproduce, then spread to the blood where they can quickly spread to all areas of the body, where it can trigger "systemic" symptoms.
Answered 10/14/2016
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