saliva

Lui said studies have shown that toxic chemicals can leach out of children’s toys and into their saliva if they put the products in their mouth.

The 53-year-old has been told for the past five years that he is terminally ill and knows he could die tomorrow by choking on food or on his own saliva.

It spreads through birds' droppings and saliva, or through contaminated feed and water.

Rabies is a rare but deadly viral disease that can be spread to humans from an infected animal - such as bats, coyotes, foxes or raccoons - most commonly through its saliva.

But in 2009, DNA testing on saliva from bite marks on her body linked Lazarus to the crime.