Seudónimo Seudónimo
  • 20-02-2018
  • Biology
contestada

Why do the symptoms of certain viral infections occur after having disappeared for a period of time?

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cirignanoz
cirignanoz cirignanoz
  • 26-02-2018
Cause when viruses disperse there gone to evolve then come back once they evolved to try to make things sick yet again.
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