Magic as a Virus?

[career advisor]

No: HPFGUIDX 168010

There has been a lot of dicussion on this list on the 'genetics of magic' and pureblood and muggle-borns? This has often taken the form of dicusion of regressive genes.
   
  But has anyone thought of a different angle. Perhaps the reason 'magic' is so rare is that in JKR's world it is a disease. In other words: 'Magic is a virus.'
   
  A virus that most muggle's have natural immunity to but Wizards do not. 

In other words a pure-blood wizard or witch literally catches the magic from his parents as you or I could catch a cold. 

For whatever reason the immunity to the 'magic illness' is dominant, but once in a while a 'muggle-born' is born who does not have immunity and is then somehow exposed to the 'magic-bug' and catches magic.

A squib would be a a pure-blood who somehow spontaneously develops resistence to the 'magic bug'. This resistance might be partial or full. So not all squibs may be 'full squibs'. And not all may be immune in the same way.

The magic bug could even be a 'parasite' gaining something from infecting the host that in some way harms them, which would explain why muggles have immunity. 
   
  Though I have no idea what this could be. How could 'magic' harm a which or wizard? 

What do you think? 
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  DA Jones
   
      

       
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