**Author details**

Lesley Burgess\*, Jurie Johannes Jordaan and Matthew Wilson TREAD Research, Cardiology Division, Department of Medicine, Tygerberg Hospital, Stellenbosch University, South Africa

\*Address all correspondence to: lesley@treadresearch.com

© 2022 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

*Perspective Chapter: Ethics of Using Placebo Controlled Trials for Covid-19 Vaccine... DOI: http://dx.doi.org/10.5772/intechopen.104776*
