We’re all familiar with the radiation-hazard symbol:

And, of course, the biohazard symbol:

However, what if some unforeseen disaster threatens us with living, radioactive pathogens? Clearly, we need a radiobiohazard symbol for just such an eventuality, and I’m proposing the top picture here as a rough draft for one, inspired by the two already-existing warning symbols.

To the TSA, FEMA, the NSA, and the rest of the alphabet soup of “keep-us-safe” agencies: you’re welcome.