The first peer-reviewed study in North America examining the timing between the first and second doses of COVID-19 mRNA vaccines shows that a longer dose interval leads to a stronger immune response. The study is funded by the Government of Canada through its COVID-19 Immunity Task Force (CITF).
Update: (April 29, 2022) The findings featured in this article have now been published in a peer-reviewed journal (BMJ Open). In the process of peer review, some revisions were made to the methodology used. In particular, new methods were used to determine whether the teachers who participated in the survey between February 3 to April…
In the early days of the COVID-19 pandemic, many research teams around the world focused on creating antibody tests to diagnose individuals who had SARS-CoV-2, the virus that causes COVID-19. Surprisingly, some researchers detected low levels of antibodies in many individuals who had never been exposed to the virus.
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