COVID-19 Vaccine: Critical Questions with Complicated Answers

COVID-19 has caused extensive human casualties with significant economic impacts around the globe, and has imposed new challenges on health systems worldwide. Over the past decade, SARS, Ebola, and Zika also led to significant concerns among the scientific community. Interestingly, the SARS and Zika epidemics ended before vaccine development; however, the scholarly community and the pharmaceutical companies responded very quickly at that time. Similarly, when the genetic sequence of SARS-CoV-2 was revealed, global vaccine companies and scientists have stepped forward to develop a vaccine, triggering a race toward vaccine development that the whole world is relying on. Similarly, an effective and safe vaccine could play a pivotal role in eradicating COVID-19. However, few important questions regarding SARS-CoV-2 vaccine development are explored in this review.

Automated summary

COVID-19 pandemic has caused extensive human casualties and major economic impacts globally, posing new challenges to health systems worldwide. Similar concerns were raised by previous epidemics like SARS and Zika, even though those epidemics ended before vaccine development. When the genetic sequence of SARS-CoV-2 was revealed, rapid response from global vaccine companies and scientists initiated a competitive race towards vaccine development that the world is relying on.