Which virus causes chickenpox?

Which famous scientist discovered penicillin by accident in 1928?

What is the average time it takes for a common cold virus to show symptoms?

Which everyday household item typically contains more bacteria than a toilet seat?

What percentage of the human body's cells are actually bacteria?

What is the most common bacteria found in yogurt?

How many bacteria are typically exchanged during a single kiss?

What's the most common viral infection in humans?

How fast can bacteria multiply under ideal conditions?

Which everyday activity exposes you to the most bacteria?

What percentage of bacteria are actually harmful to humans?

Which animal has the strongest natural antibacterial substance?

How many viruses typically live in the human body?

What's the most common bacteria on human skin?

How many bacteria are in a typical human sneeze?

Which common food preparation method kills the most bacteria?

How many different species of bacteria live in the human mouth?

Which everyday object typically has more bacteria than a toilet seat?

What percentage of office coffee mugs contain fecal bacteria?

How much does all the bacteria in your body weigh?