> 99% target reduction is outstanding by RNAi standards, but for pathogens such as viruses and bacteria this merely reduces the virus load from 'billions' to 'millions' of particles per bee; enough to prevent symptoms but certainly not a complete 'cure'. RNAi
should therefore be seen as a welcome tool to help a colony overcome a momentary excess of pathogen pressure, rather than for permanent virus eradication. Ultimately the viruses will still survive, as they have always done.

RNAi And Virus Control In Bees How Does It Work And What Can Be Expected From It?
Joachim de Miranda, Uppsala, Sweden.  September 2012│Bee World│49

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