Heartworm disease is transmitted by mosquitos — stagnant receding floodwaters will provide excellent breeding ground for that vector. (nulo.com)
These can be excellent breeding ground for germs that can infect the mucous membrane of the eyes. (mypetneedsthat.com)
Frequently touched surfaces, like door handles and crib rails, and areas that see more than their fair share of yuck (such as changing tables and laundry hampers) provide an excellent breeding ground for germs and bacteria. (thespruce.com)