There's a lot of excitement about a vaccine that would protect against SARS-CoV2, the novel coronavirus that causes COVID-19. There are even trials going on in China, the UK, and the US. Although we've never produced a vaccine in less than four years, many think that the multitude of labs working on different vaccine formulations (over 100), the rapid genomic sequencing, and the relative genetic stability of this virus makes it a good candidate for a vaccine.