There's a chance that upon reading the title of this article, you became a little confused.
If you're old enough to remember the mid-2000s, you may recall warnings of avian flu epidemics gripping various parts of the world. So how are we only now seeing human cases of the disease?
And indeed, it's hardly a new phenomenon for humans to catch bird flu. However, this tends to be the case for specific influenza strains such as H5N1, H7N9 and H9N2.
So despite how much damage it's been doing in Russia, Europe, China, the Middle East and North Africa, the H5N8 strain has largely avoided infecting humans since it's emerged in these places.
However, it seems that this is no longer the case.