President Donald Trump called on the Food and Drug Administration to “move quickly” on coronavirus vaccines, following Johnson & Johnson’s announcement its candidate has reached a final-stage trial.
Johnson & Johnson announced it has begun dosing up to 60,000 volunteers in a study of its Covid-19 vaccine, the first major U.S. trial of a shot that may work after just one dose. The vaccine candidate joins three others in late-stage trials in the U.S., amid the administration’s Operation Warp Speed push to develop and distribute an inoculation by year’s end.
If the company can enroll enough participants, the trial could yield results as soon as the end of 2020, which could allow the company to seek emergency authorization early next year if the vaccine proves effective, Johnson & Johnson Chief Scientific Officer Paul Stoffels said Tuesday.
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https://clinicaltrials.gov/ct2/show/NCT04460703
This study tests different messages about vaccinating against COVID-19 once the vaccine becomes available. Participants are randomized to 1 of 12 arms, with one control arm and one baseline arm. We will compare the reported willingness to get a COVID-19 vaccine at 3 and 6 months of it becoming available between the 10 intervention arms to the 2 control arms.
Sham Comparator: Control
Control message about birdfeeding Other: Control message
2/15 of the sample will be assigned to the pure control group, which is a passage on the costs and benefits of bird feeding.
Active Comparator: Baseline message
These participants will be assigned a message about the benefits of vaccination. All other treatment arms include this baseline language. Other: Baseline message
3/15 of the sample will be assigned to a control group with a message about the effectiveness and safety of vaccines.
Experimental: Personal freedom
Experimental message arm. Other: Personal freedom message
1/15 of the sample will be assigned to this intervention, which is a message about how COVID-19 is limiting people’s personal freedom and by working together to get enough people vaccinated society can preserve its personal freedom.
Experimental: Economic freedom
Experimental message arm. Other: Economic freedom message
1/15 of the sample will be assigned to this intervention, which is a message about how COVID-19 is limiting peoples’s economic freedom and by working together to get enough people vaccinated society can preserve its economic freedom.
Experimental: Social benefit, self-interest
Experimental message arm. Other: Self-interest message
1/15 of the sample will be assigned to this intervention, which is a message that COVID-19 presents a real danger to one’s health, even if one is young and healthy. Getting vaccinated against COVID-19 is the best way to prevent oneself from getting sick.
Experimental: Social benefit, community interest
Experimental message arm. Other: Community interest message
1/15 of the sample will be assigned to this intervention, which is a message about the dangers of COVID-19 to the health of loved ones. The more people who get vaccinated against COVID-19, the lower the risk that one’s loved ones will get sick. Society must work together and all get vaccinated.
Experimental: Economic benefit
Experimental message arm. Other: Economic benefit message
1/15 of the sample will be assigned to this group, which is a message about how COVID-19 is wreaking havoc on the economy and the only way to strengthen the economy is to work together to get enough people vaccinated.
Experimental: Social pressure- guilt
Experimental message arm. Other: Guilt message
1/15 of the sample will be assigned to this message. The message is about the danger that COVID-19 presents to the health of one’s family and community. The best way to protect them is by getting vaccinated and society must work together to get enough people vaccinated. Then it asks the participant to imagine the guilt they will feel if they don’t get vaccinated and spread the disease.
Experimental: Social pressure- embarrassment
Experimental message arm. Other: Embarrassment message
1/15 of the sample will be assigned to this message. The message is about the danger that COVID-19 presents to the health of one’s family and community. The best way to protect them is by getting vaccinated and by working together to make sure that enough people get vaccinated. Then it asks the participant to imagine the embarrassment they will feel if they don’t get vaccinated and spread the disease.
Experimental: Social pressure- anger
Experimental message arm. Other: Anger message
1/15 of the sample will be assigned to this message. The message is about the danger that COVID-19 presents to the health of one’s family and community. The best way to protect them is by getting vaccinated and by working together to make sure that enough people get vaccinated. Then it asks the participant to imagine the anger they will feel if they don’t get vaccinated and spread the disease.
Experimental: Trust in science
Experimental message arm. Other: Trust in science message
1/15 of the sample will be assigned to this message about how getting vaccinated against COVID-19 is the most effective way of protecting one’s community. Vaccination is backed by science. If one doesn’t get vaccinated that means that one doesn’t understand how infections are spread or who ignores science.
Experimental: Not bravery arm
Experimental message arm. Other: Not bravery message
1/15 of the sample will be assigned to this message which describes how firefighters, doctors, and front line medical workers are brave. Those who choose not to get vaccinated against COVID-19 are not brave.