U.S. Seeing the Benefits of Vaccinations: Johns Hopkins’ Adalja

What is the significance of the 70% vaccination target set by President Biden?

• It is a randomly chosen number with no real significance.

• It represents the percentage of adults needed to achieve herd immunity.

• It is the minimum percentage required to prevent any COVID-19 cases.

• It is a goal to maximize the number of vaccinated adults by a specific date.

Why might businesses consider requiring COVID-19 vaccinations for their employees?

• To ensure all employees have natural immunity.

• To comply with government mandates.

• To protect vulnerable populations and maintain a safe work environment.

• To increase their customer base.

How might COVID-19 vaccinations be integrated into routine childhood immunizations in the future?

• They will be administered annually like the flu vaccine.

• They will become a standard part of childhood immunization schedules.

• They will be given only once in a lifetime.

• They will be optional for children.

What is the Delta variant, and why is it significant?

• It is a variant that is resistant to all vaccines.

• It is a variant that only affects children.

• It is a more contagious variant that may affect unvaccinated populations.

• It is a less contagious version of the original virus.

How effective are the Pfizer and Moderna vaccines against the Delta variant?

• They are not effective at all.

• They provide some protection but not against severe cases.

• They are very protective, especially with two doses.

• They only work if combined with other vaccines.