Sanitary
Sanitary /ˈsæn.ɪ.tri/ US /-ter.i/ (adj)
connected with public health, hygienic and clean, free from infection, healthy, wholesome, salubrious, sterile:
As a waiter, you should always put sanitary serviettes on the tables before customers’ arrival.
Emphasis on developing sanitary conditions in a society is due to avoiding spreading pandemic diseases.