AstraZeneca Says Vaccine Now 76% Effective

AstraZeneca announced a recalculation of its US study data, showing its vaccine is 79% effective in preventing symptomatic cases. Federal health officials had previously raised concerns about the data's accuracy, suggesting it was based on selective information. AstraZeneca plans to seek FDA approval for its vaccine soon.

What percentage of effectiveness did AstraZeneca initially report for its vaccine?

• 90%

• 85%

• 79%

• 70%

Why did AstraZeneca recalculate its US study data?

• To include more participants

• To address federal health officials' concerns

• To comply with international standards

• To improve the vaccine's effectiveness

What was the concern raised by federal health officials about AstraZeneca's initial data?

• It was not statistically significant

• It was not peer-reviewed

• It was based on cherry-picked information

• It was outdated

What is AstraZeneca's next step regarding its vaccine in the US?

• Conducting more trials

• Seeking FDA approval

• Releasing more data

• Partnering with another company

When does AstraZeneca plan to seek FDA approval for its vaccine?

• In the coming days

• In the coming weeks

• In the coming year

• In the coming months