Answer:
Unsanitary environment means extreme uncleanliness of environment.
Some diseases are:
Shigellosis, transmitted through contaminated of food or water.
Salmonellosis, transmitted through direct contact.
Campylobacteriosis, transmitted to humans from animals or animal products.
Norovirus, transmitted through infected fluid.
Hepatitis A, transmitted through contaminated of food or water.
Virus infections, transmitted through touch, saliva, or even the air.
I hope it helps.
#RespectOthers!
