I belong to an e-mail list of very well-trained and -experienced shooters. One of them, a doctor by profession, described some research he'd been doing into the Ebola virus. He concluded:
There has been some research into this, and it is suspected that the Ebola, rabies, and influenza virus can mix. This resultant Virus From Hell is thought to be the cause of PMS. Consider yourselves warned.
Even Miss D. had to cackle at that one . . .