Who should be prioritized for continued COVID-19 vaccination?

A research group led by Professor Shingo Iwami of the Graduate School of Science, Nagoya University (Visiting Scientist at iTHEMS, RIKEN), in collaboration with Professor Masaharu Tsubokura of Fukushima Medical University, analyzed changes in blood IgG(S) antibody titers from the initial two doses of the COVID-19 mRNA vaccine through the first booster dose. Their study revealed three characteristic patterns of antibody response: “durable responders,” “vulnerable responders,” and “rapid-decliners.”

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