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Longer gaps between mRNA vaccine doses give stronger immune response: Canadian study
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A new Canadian study has found that delaying the second dose of an mRNA vaccine for COVID-19 creates a stronger immune response than two doses delivered closer together.
The peer-reviewed study compared blood test results from 186 paramedics across the country, 118 of whom were double-vaccinated with less than four weeks between doses, and 68 of whom waited between six and seven weeks for a second shot.
Regardless of which mRNA vaccine was used — Pfizer-BioNTech’s Comirnaty, Moderna’s Spikevax or a combination of both — those who waited longer had higher antibody concentrations. Read more: B.C.
to reduce interval between COVID-19 vaccine doses to four weeks Antibodies are proteins produced by the immune system that flow through the
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COVID-19
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