"Bacilli" is a general term referring to rod-shaped bacteria, not a specific species. Different types of bacilli cause a wide range of illnesses, including:

Common illnesses:

* Tuberculosis: Caused by *Mycobacterium tuberculosis*

* Anthrax: Caused by *Bacillus anthracis*

* Leprosy: Caused by *Mycobacterium leprae*

* Food poisoning: Caused by various species like *Bacillus cereus* and *Bacillus subtilis*

* Pneumonia: Can be caused by *Bacillus cereus*

Other illnesses:

* Botulism: Caused by *Clostridium botulinum*

* Tetanus: Caused by *Clostridium tetani*

* Diphtheria: Caused by *Corynebacterium diphtheriae*

It's important to note that these are just a few examples, and there are many other illnesses that can be caused by bacilli bacteria.

If you suspect you have an illness caused by bacteria, it's important to seek medical attention. A doctor can help you identify the specific bacteria responsible and prescribe the appropriate treatment.