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Pox Viruses Introduction

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Questions and Answers

How does smallpox virus infect humans?

Through the respiratory route (correct)

Via the digestive system

Through contaminated water

Through direct contact with infected skin nodules

What characteristic skin condition does smallpox virus produce?

Pustules (correct)

Hives

Warts

Blistering

When did smallpox first appear in China and the Far East?

1000 years ago

3000 years ago

500 years ago

2000 years ago (correct)

Which is a characteristic of smallpox disease during the 18th century?

Reached plague proportions in cities Signup and view all the answers

Where did the last naturally occurring case of smallpox take place?

Somalia Signup and view all the answers

How does smallpox infection progress through the body?

Via the blood to internal organs and then to the skin Signup and view all the answers

What is the size range of poxviruses that can be seen under a light microscope?

400 x 230 nm Signup and view all the answers

Which type of particles are observed when poxviruses are viewed under an Electron microscope?

Brick-shaped particles Signup and view all the answers

Which subfamily of poxviruses is associated with insect hosts?

Entomopoxvirinae Signup and view all the answers

What is a member of the Orthopoxvirus genus that can cause disease in humans?

Vaccinia virus Signup and view all the answers

Which type of poxvirus has a broad host range affecting several vertebrates?

Orthopoxvirus Signup and view all the answers

Which poxvirus that infects humans is morphologically distinct and classified under a different genus than Orthopoxvirus?

Monkeypox Signup and view all the answers