hygienically

/haɪˈdʒɛn.ɪ.kli/
adverb
  1. In a way that is clean and free from germs; according to hygiene principles.
    • She always stores raw meat hygienically to avoid contamination.
    • The food is packaged hygienically to keep it fresh.
    • The dentist's tools are hygienically sterilized after each patient.