Shigella is a kind of bacteria that can make people very sick, especially in the stomach.
Shigella is a bad thing that can make people feel very bad.
Examples:
Shigella can make you sick.
The doctor said I have shigella.
I don't want to get shigella from the bad food.
Shigella is a very mean bacteria.
If you get shigella, you will be very, very sick.
The shigella bacteria is very small but very bad.