English definition of “infect”
/ɪnˈfekt/ verb [T]
DISEASE › to give someone a disease: [often passive] Thousands of people were infected with the virus.
PLACE/SUBSTANCE › If a place, wound, or substance is infected, it contains bacteria or other things that can cause disease: [often passive] The wound became infected. infected water/meat → Compare disinfect
FEELING › to make other people feel the same way as you do: [often passive] They became infected by the general excitement.