### Clue: Germs making Bianca ill without an aperient (7)
### Answer: BACILLI 
 ### Explanation: Definition: Germs
 **Anagram of**(making) ["Bianca ill " **minus**(… aperient;like a laxative;purging) "an " ]. I thought it should have been "with" rather than "without", as the latter and "aperient" both have the same sense of exclusion.