Hilary McClure wrote:

>>> A third perspective is from the observation that viruses (virii?) come
>> >from the interaction of the solar wind with a planet or comet that has
>>> passed between the Earth and Sun.
>> Wow. Please, do tell us where this theory comes from.
> 
> Theory came in on the solar wind, like a virus from space!
> 
> 

Astronomical records have been kept for thousands of years, so have 
records of epidemics.

Ignorance is not bliss.

William