what are the four illnesses that people can get from bacteria.

The four illnesses that people can get from bacteria are:

1. Salmonella - a bacterial infection that commonly causes food poisoning
2. E. coli - a bacterial infection that can cause diarrhea, abdominal pain, and fever
3. Streptococcus - a bacterial infection that can cause strep throat, skin infections, and more serious conditions like meningitis
4. Staphylococcus - a bacterial infection that can cause skin infections, pneumonia, and more serious conditions like sepsis.