Since it was first designed in 1966, the biohazard symbol has become one of the most recognizable warning signs on the planet. As a work of graphic design, that’s incredibly impressive.

Wash your hands, don't hug people - and stop putting biohazard signs on your colleagues' cubicles: Architect of the Capitol BANS coronavirus jokes among its thousands of staffers.

An abandoned factory and woodlands could still pose a “biohazard” to humans - as experts warn soil and water may be contaminated with Mad Cow Disease.