Smallpox (CDC Handout) Flashcards Preview

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Flashcards in Smallpox (CDC Handout) Deck (12)
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1
Q

How long is the incubation period of smallpox?

A

7-17 days, no symptoms, not contagious

2
Q

What is the prodrome phase of smallpox and how long does it last?

A

Fever of 101-104, malaise, head and body aches, sometimes vomiting and lasts for 2-4 days, sometimes contagious

3
Q

What is the early rash phase of smallpox?

A

Starts as small red spots on tongue and in mouth, develops into sores that spread large amounts of virus into mouth and throat, person becomes contagious now

4
Q

What will happen with smallpox after the sores in the mouth disappear?

A

The rash appears on the skin, first on face then arms, legs, then to hands and feet. It takes 24 hours to spread to entire body

5
Q

What happens on the 3rd day of smallpox rash?

A

It becomes raised bumps

6
Q

What happens by the 4th day of smallpox rash?

A

Filling with thick, opaque fluid and often have a depression in the center (distinguishing from chickenpox)

7
Q

What is the pustular rash phase of smallpox?

A

Bumps become pustules: they are sharply raised, usually round and firm to the tough (as if there is a BB under the skin), lasts 5 days and is contagious

8
Q

What is the pustules and scab phase of smallpox?

A

Pustules begin to form a crust and then scab

9
Q

When have the most pustules scabbed over by in smallpox?

A

By the end of the second week, def contagious

10
Q

What is the resolving scabs phase of smallpox?

A

Scabs begin to fall off leaving behind pitted scars, most fall off in 3 weeks after the rash appears, stil contagious

11
Q

How long until a person is no longer contagious with smallpox?

A

Until all the scabs have fallen off = scabs resolved phase

12
Q

When is smallpox the most infectious?

A

7-10 days following rash onset, some patients may be contagious during the prodrome phase