As an interesting aside, every study such as this has methodology and
time/location limitations. I find it interesting that our work found exactly
the opposite with respect to DWV.
One issue that has not been mentioned, it is possible that different
strains appear at different times and different locations. Much like human
influenza. Some years, it is not so bad, others it is much more virulent. We
suspect this to be true of Nosema ceranae as well as viruses.
Jerry
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