>> ...there is little evidence that there is any link between dysentery
 >> and nosema.

 >... you are probably referencing the study from Spain. Here in Maine
 > there is a definite visible link because the bees could not fly out and
 > defecate.

I think Randy is meaning there is no cause and effect link, however, the
two have an associative link, probably due to the fact that the same
conditions which tend to cause one also tend to cause the other.

In other words, each has a cause/effect relationship (not nearly 100%)
with the same circumstances, but not with one another.

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