Infectious diseases are those diseases, which are caused by certain pathogens. These pathogens can be bacteria, virus, parasites , or fungi . Certain microbial diseases could be controlled by vaccination and antimicrobial medication but few others could be fatal. The transmission of the pathogen can be direct from an infected person to a healthy person or might be through an indirect contact.

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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 19, Problem 4MC

Summary Introduction

Introduction:

Infectious diseases are those diseases, which are caused by certain pathogens. These pathogens can be bacteria, virus, parasites, or fungi. Certain microbial diseases could be controlled by vaccination and antimicrobial medication but few others could be fatal. The transmission of the pathogen can be direct from an infected person to a healthy person or might be through an indirect contact.

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Answer 2

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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 19, Problem 4MC

Summary Introduction

Introduction:

Infectious diseases are those diseases, which are caused by certain pathogens. These pathogens can be bacteria, virus, parasites, or fungi. Certain microbial diseases could be controlled by vaccination and antimicrobial medication but few others could be fatal. The transmission of the pathogen can be direct from an infected person to a healthy person or might be through an indirect contact.

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Answer 3

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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 19, Problem 4MC

Summary Introduction

Introduction:

Infectious diseases are those diseases, which are caused by certain pathogens. These pathogens can be bacteria, virus, parasites, or fungi. Certain microbial diseases could be controlled by vaccination and antimicrobial medication but few others could be fatal. The transmission of the pathogen can be direct from an infected person to a healthy person or might be through an indirect contact.

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Answer 4

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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 19, Problem 4MC

Summary Introduction