To answer: Why dengue, yellow fever, and malaria are re-emerging in areas where they have long been eradicated. Introduction: Dengue is a disease caused by a family of viruses and the vectors for the transmission of this disease is mosquitoes. Yellow fever is spread by female Aedes aegypti and it is a “viral disease” that occurs for short duration. Malaria is caused by parasitic protozoans belonging to the Plasmodium type and are transmitted by mosquito vector. Once an infected mosquito bites a human, then the parasite further multiply in the host body.

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Answer 1

Question

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 21, Problem 7CT

Summary Introduction

To answer:

Why dengue, yellow fever, and malaria are re-emerging in areas where they have long been eradicated.

Introduction:

Dengue is a disease caused by a family of viruses and the vectors for the transmission of this disease is mosquitoes. Yellow fever is spread by female Aedes aegypti and it is a “viral disease” that occurs for short duration. Malaria is caused by parasitic protozoans belonging to the Plasmodium type and are transmitted by mosquito vector. Once an infected mosquito bites a human, then the parasite further multiply in the host body.

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Answer 2

Question

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 21, Problem 7CT

Summary Introduction

To answer:

Why dengue, yellow fever, and malaria are re-emerging in areas where they have long been eradicated.

Introduction:

Dengue is a disease caused by a family of viruses and the vectors for the transmission of this disease is mosquitoes. Yellow fever is spread by female Aedes aegypti and it is a “viral disease” that occurs for short duration. Malaria is caused by parasitic protozoans belonging to the Plasmodium type and are transmitted by mosquito vector. Once an infected mosquito bites a human, then the parasite further multiply in the host body.

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Answer 3

Question

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 21, Problem 7CT

Summary Introduction

To answer:

Why dengue, yellow fever, and malaria are re-emerging in areas where they have long been eradicated.

Introduction:

Dengue is a disease caused by a family of viruses and the vectors for the transmission of this disease is mosquitoes. Yellow fever is spread by female Aedes aegypti and it is a “viral disease” that occurs for short duration. Malaria is caused by parasitic protozoans belonging to the Plasmodium type and are transmitted by mosquito vector. Once an infected mosquito bites a human, then the parasite further multiply in the host body.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 4

Question

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 21, Problem 7CT

Summary Introduction