Mystery #2Tier 2microbes / health
Are all germs bad for you?
We're told to wash our hands and avoid germs, so it's easy to think every microbe is out to make us ill. But scientists say only a tiny fraction of microbes are harmful. Are most germs actually... fine?

Your guess
What's your hunch: are all microbes harmful, or are most of them harmless or helpful?
There's no single magic word to type, have a go in your own words, then reveal the answer to see how close you got.
Make a guess to unlock the hints and the answer.