If swallowed, this type of bacteria can cause infections (stock image)] A study by US filtration company WaterFilterGuru.com found that an average reusable water bottle has 20.8million colony-forming units (CFUs) of bacteria on it.
In comparison to other germ-filled spots in the home, the average reusable water bottle has five times the bacteria of a computer mouse and 14 times the bacteria of a pet bowl that has been slobbered over by your beloved dog.
But scientists have revealed that bacteria is probably growing right underneath our noses in an item we carry around and drink from all day long - the reusable water bottle.
The average reusable water bottle has 20.8million colony-forming units (CFUs) of bacteria on it (stock image).
Most astonishingly, a reusable water bottle has 40,000 times the bacteria of a toilet seat, according to the study.
