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How much do you know about the measles virus?

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How much do you know about the measles virus?

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Questions and Answers

What is the typical temporal pattern of measles incidence?

No pattern

Random outbreaks

Continuous spread throughout the year

Yearly seasonal epidemics (correct)

How is measles primarily transmitted?

Through direct contact with infected animals

Through respiratory droplets and small particle aerosols (correct)

Through insect bites

Through contaminated water

What led to the loss of elimination status of measles in the Americas in 2016?

Increased travel from regions with high incidence rates (correct)

Natural mutation of the virus

Lack of public awareness

Failure of vaccination programs

When do infants become susceptible to measles?

When the passively acquired maternal antibody is lost Signup and view all the answers

What are the clinical features of measles?

Fever, cough, coryza, and conjunctivitis Signup and view all the answers

What percentage of measles cases can result in complications?

40% Signup and view all the answers

Why are host immune responses to measles virus important?

To ensure viral clearance and long-term immunity Signup and view all the answers

Study Notes

Measles vaccination has led to a reduction in global incidence and mortality.
Measles was declared eliminated in the Americas in 2016, but recent outbreaks have led to loss of elimination status.
Measles virus is highly contagious and can only be maintained in human populations.
Infants become susceptible to measles when the passively acquired maternal antibody is lost.
Measles incidence has a typical temporal pattern characterized by yearly seasonal epidemics superimposed upon longer epidemic cycles.
Measles virus is primarily transmitted by respiratory droplets and small particle aerosols.
Host immune responses to measles virus are essential for viral clearance and long-term immunity.
Clinical features begin with a prodromal illness characterized by fever, cough, coryza, and conjunctivitis.
A characteristic erythematous and maculopapular rash appears, first on the face and behind the ears, and then spreads.
Complications can occur in up to 40% of measles cases, with increased risk for extremes of age and malnutrition.

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Description

Test your knowledge about the highly contagious and potentially deadly measles virus. From its transmission and typical temporal pattern to clinical features and complications, this quiz will challenge you to recall important facts and details about measles. Whether you are a healthcare professional or just interested in learning more about this disease, this quiz will help you understand why measles vaccination is critical for global health.