disinfection

US /ˌdɪs.ɪnˈfek.ʃən/
UK /ˌdɪs.ɪnˈfek.ʃən/
1.

desinfecção

the process of cleaning something using chemicals that kill bacteria and other organisms (= very small living things) that cause disease:

:
Thorough cleaning and disinfection of all surfaces is essential.