Your toothbrush is a little bacteria magnet,
attracting many things from several sources:
If you store your toothbrush on or next to the bathroom sink, it gets contaminated from splashing water from washing hands and perhaps what you are washing off.
The toilet and your toothbrush. If you really want to gag,
think about what happens when you flush with the toilet lid
open. Bacteria and viruses falling from toilet spray remain airborne long
enough to settle on surfaces throughout the bathroom. How is that you
ask? Every time you flush a toilet, it releases an aerosol spray of tiny
tainted water droplets. Makes sense, right? That open lid on your toilet
means it may get regularly bathed in bits of fecal matter and
whatever else sprays out of the flushing toilet.
Does the 5 second rule apply here? WE SAY NO WAY! Your
toothbrush is is coming into contact with toilet spray particles that have settled on the floor plus anything else that has been tracked in on people's feet.
So whether you keep your toothbrush near the sink, on the sink,
in a cup, in a drawer, or in a cabinet dirt,sprays,perfumes an exposed toothbrush gets
STUFF on it.
YOUR TOOTHBRUSH IS EXPOSED AND ANYTHING CAN GET ON YOUR TOOTHBRUSH!!