Breaking down the Johnson & Johnson COVID-19 vaccine

<p>With a valuable third vaccine offering protection in the battle against COVID-19, <a href='https://www.northwell.edu/about/leadership/onisis-stefas'>Onisis Stefas, PharmD</a>, Northwell's chief pharmacy officer, discusses how the J&J vaccine works, its efficacy and what it means for relieving the pandemic. </p> More from Dr. Stefas Dr. Stefas explains the science behind Pfizer and Moderna's mRNA COVID-19 vaccines: <a href='https://www.youtube.com/watch?v=t9mJa-V9r0c&list=PLOylAPfMBafmhQIwY75QbOzNcQEpz5tEr&index=7'>https://www.youtube.com/watch?v=t9mJa-V9r0c&list=PLOylAPfMBafmhQIwY75QbOzNcQEpz5tEr&index=7</a>   Watch episodes of 20-Minute Health Talk on YouTube: <a href='https://www.youtube.com/playlist?list=PLOylAPfMBafmhQIwY75QbOzNcQEpz5tEr'>https://www.youtube.com/playlist?list=PLOylAPfMBafmhQIwY75QbOzNcQEpz5tEr</a>