COVID‑19, Herd Immunity and Vaccine

Sim Sai Tin, Viroj Wiwanitkit


Dear Editor, Herd immunity for coronavirus disease 2019 (COVID‑19) in the absence of a vaccine is an interesting issue in the current situation that the new vaccine is still not sufficient. Herd immunity in the absence of a vaccine might be a possible and/or viable path.


COVID‑19; Herd Immunity; Vaccine


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