infection

US /ɪnˈfek.ʃən/
UK /ɪnˈfek.ʃən/
"infection" picture
1.

the process of infecting or the state of being infected with a disease-causing organism.

:
The doctor prescribed antibiotics to treat the bacterial infection.
Wash your hands frequently to prevent the spread of infection.
2.

a disease caused by a pathogen.

:
He developed a severe lung infection after catching the flu.
The hospital is taking precautions to prevent cross-infection among patients.