What are 4 ways Shigella can spread?

Shigella is found in the intestinal tract of infected people, and is spread by eating or drinking food or water contaminated with the bacteria. It can also be spread by direct contact with feces (even with microscopic amounts) from an infected person.

dr. khan operated on abdul’s left knee, he required a signature from abdul’s orthopedist confirming that the knee required the operation. the orthopedist’s written approval is a form of