Epidemics and Pandemics have been plaguing mankind since many centuries, and are a cause of major healthcare expense in modern times. The novel coronavirus pandemic of 2019-2020 spread worldwide faster than many previous pandemics, including EBOLA in 2017. Although personal protective equipment, and social distancing slowed the outbreak, a vaccine is needed to ensure global immunization and to stop this deadly outbreak. Developing a vaccine in times of a public health crisis comes with a lot of ethical considerations, including overlooking proper informed consent, the issue of using placebo in control arm of trials, extended timelines of development of vaccines, randomized placebo control trial of secondary vaccine once the first vaccine is approved, and utilizing vulnerable population for trials. These issues are often overlooked due to the urgency of the situation, and the need of developing a cure/vaccine can lead to potential oversight of many regulations. We discuss some of these issues related to vaccine development in a pandemic situation in this commentary paper. We also discuss some of the arguments supporting a secondary vaccine development such as logistical/economic issue, better efficacy, and the conditions of Equipoise.



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