Measles Outbreak and Vaccination Impact

A measles outbreak at Disney theme parks in California infected at least 19 people, highlighting the risk of measles spreading in areas with low vaccination rates. The virus can be contagious before symptoms appear, making it difficult to control. Despite a high national vaccination rate, outbreaks often start with unvaccinated travelers. In 2014, the U.S. saw the highest number of measles cases in 20 years, with many in unvaccinated communities. California has implemented laws to reduce vaccination exemptions, resulting in a decrease in such exemptions.

What was surprising about the measles outbreak at Disney theme parks?

• Measles had been virtually eliminated in the U.S. a decade ago.

• It occurred in a place with no international visitors.

• All infected individuals were vaccinated.

• It was the first outbreak in California.

Why is it difficult to control the spread of measles?

• It only spreads in cold weather.

• People are infectious before symptoms appear.

• Symptoms appear immediately after infection.

• The virus is not contagious.

What is a significant factor in the spread of measles at theme parks?

• The lack of sanitation facilities.

• The large number of international visitors.

• The high cost of entry tickets.

• The presence of wild animals.

What is the vaccination rate for measles in the United States?

• Exactly 75 percent

• Less than 50 percent

• Over 90 percent

• Around 60 percent

What was notable about the measles cases reported in 2014?

• They were the lowest in 20 years.

• They were confined to California.

• Most cases were in vaccinated communities.

• A significant number were in a single unvaccinated community.

How does the CDC describe the spread of measles in certain communities?

• It only affects children.

• It spreads easily where vaccination is low.

• It is easily contained.

• It is not a concern anymore.

What change did California implement regarding vaccination exemptions?

• They made vaccinations optional.

• They banned all exemptions.

• They required counseling for personal belief exemptions.

• They increased the number of exemptions allowed.

What was the impact of the new California law on vaccination exemptions?

• Exemptions increased by 9 percent.

• Exemptions were eliminated completely.

• There was no change in exemptions.

• Exemptions decreased by 9 percent.