Massive data dive to measure Real-World power of updated COVID shots
NCT ID NCT06923137
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looks at how well the yearly updated Pfizer COVID-19 vaccine works in adults and children. Instead of giving anyone the vaccine, researchers will analyze existing insurance claims and state vaccine records. They will compare people who got the vaccine to those who did not, tracking COVID-19 cases, hospital visits, and costs over six months.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Pfizer
New York, New York, 10001, United States
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