Lightening the mood, here's
Peter Watts reporting on a tick that gives victims of its bite an allergy to meat (though the flesh of birds and - ahem - primates would still be OK). Given what immediately occurred to me, I was pleased to discover on reading further through the post that I wasn't the only person who saw the potential for militant vegetarians to attempt a weaponisation. There would
probably be unforeseen collateral effects, as in the mode of
The Moral Virologist, although what exactly hasn't yet come to mind.