1.   Chruszcz says sewer workers grow acclimated to the disease-ridden environment and hardly ever get sick from their travels in the underworld.

2.   Sewer workers seldom use them anyway.

3.   Those who have been infected in the United States are generally people who work on farms, or are veterinarians or sewer workers.

4.   A motorist drowned on a flooded street and a sewer worker was swept away as heavy rains fell on western Japan Tuesday.