Article: Volume 48 Number 2 Page 156 - February 2021

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  Dent Update 2021; 48: 156-159

COVID-19:  Understanding COVID-19 Vaccines and Immunity

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Abstract: COVID-19 Vaccines are currently the talk of the world. The internet is full of memes on COVID-19 vaccines - myths more than truths. In this commentary we further review some of the issues related to the success and failure of COVID-19 vaccines, and the theoretical and practical elements on vaccinations and immunity that the dental health care providers have to be knowledgeable, so as to offer advice and guidance to their team, the patients, as well as the public.

Clinical relevance: Dental practitioners should be aware of the multi-dimensionality of COVID-19 vaccines.

Author notes: Lakshman Samaranayake, DDS, DSc (h.c.), FRCPath, FRACDS, FDS RCS(Edin), FDS RCPS, Professor Emeritus (Microbiomics) and Immediate-past Dean, Faculty of Dentistry, The University of Hong Kong, Hong Kong and Sukumaran Anil, MDS, PhD, FDSRCS, FDSRCPS, Professor & Senior Consultant, Oral Health Institute, Hamad Medical Corporation, Qatar University, Doha, Qatar. email:

Objective: To gain an understanding of the issues related to the success of COVID-19 vaccines.