MICROBIOLOGY-ACCESS >CUSTOM<
MICROBIOLOGY-ACCESS >CUSTOM<
13th Edition
ISBN: 9780135668825
Author: Tortora
Publisher: PEARSON
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Chapter 25, Problem 10R
Summary Introduction

To review:

A flagellated organism surviving in water, when its cyst is ingested, and the trophozoite grows in the intestine and cause diarrhea.

Introduction:

Microorganisms that have the ability to cause infectious diseases are called as pathogens. Such microorganisms include bacteria, fungi, virus, and protozoa. Illness in an individual is caused either by disturbing the normal metabolic activity of the host or by inducing the host’s immune system to produce a response. Infectious agents are transmitted by direct contact (person-to-person) or by indirect contact (water-borne, food-borne, air-borne, soil-borne, fomite-borne, vector-borne, and zoonoses). Infectious diseases are responsible for the high frequency of human morbidity and mortality world-wide.

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