Numbers to understand
In 2007, the rate of abandoned hives reached 70% or 80% in the most affected regions and countries.
A quarter of hive farms in the United States reportedly disappeared in the winter of 2006-2007 alone and 35 states were affected.
In Europe, many countries reported significant losses as early as 2000.
In the most affected apiaries, up to 90% of bees are assumed dead because they have not returned to their hives.
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