To accompany “Will we all need COVID-19 booster shots?”
1. Some vaccines convey protection for a lifetime; for others you need a booster shot from time to time. Name at least one vaccine that requires boosters.
1. According to the story, why do researchers suspect a booster shot might be needed for vaccines against SARS-CoV-2?
2. As of the date of the article, what share of people in the United States have already gotten at least one dose of a COVID-19 vaccine?
3. The vaccines’ protection against serious coronavirus disease lasts how long, according to data on people who became infected?
4. What two types of immune troops fight a viral infection? How do the actions of the two types differ?
5. Ali Ellebedy reports having measuring antibody-making cells for how long after people have recovered from COVID-19?
6. How well do current vaccines protect people against SARS-CoV-2 variants? Why does Ellebedy say that if it weren’t for variants, “I don’t think we would be talking about potentially boosting.”
7. The National Institute of Allergy and Infectious Diseases launched a new clinical trial for COVID-19 vaccines on June 1, 2021. What will it study? What evidence is there that such a trial could be effective?
1. Many scientists argue that the main way to stop the emergence of new variants is to get everyone vaccinated. Explain why this may be true.