Americans Have Unrealistic Expectations for a COVID-19 Vaccine

Americans Have Unrealistic Expectations for a COVID-19 Vaccine

Many Americans appear to be experiencing cautious optimism about the role that vaccines could play in ending the pandemic. But recent public opinion research suggests that 29% to 37% of Americans plan to refuse a COVID-19 vaccine.


According to some epidemiological estimates, as many as three-fourths of Americans must become immune to COVID-19 – either by recovering from the disease or by getting vaccinated – to halt the virus’s spread. As a scholar who studies vaccine hesitancy, I ask how Americans’ vaccine-related expectations might influence their willingness to vaccinate. What attributes do Americans expect a COVID-19 vaccine to have, and will they be less likely to get vaccinated if the vaccine they have the opportunity to take defies some of their preferences?


In a new peer-reviewed study, I found that the vaccine Americans most prefer may not reflect the choices we actually have. Americans are most likely to intend to vaccinate when a vaccine is made in the U.S., administered in a single dose, over 90% effective and carrying a less than 1 in 100 chance o ..

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