COVID‑19 Brand Switching: Expectation on Protective Efficacy

Beuy Joob, Viroj Wiwanitkit


Dear Editor, The new available coronavirus disesae COVID‑19 vaccine becomes the new hope for the control of the disease. A recent report showed that the vaccine could induce protection in a large group of vaccinated subjects.


COVID‑19; Brand Switching; Protective Efficacy

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