Similar to several kinds of modern vaccines, the protein subunit vaccine improves on simplicity of the classic vaccine by removing the need to include viral particles at all.
How a Protein Subunit COVID-19 Vaccine Works

Similar to several kinds of modern vaccines, the protein subunit vaccine improves on simplicity of the classic vaccine by removing the need to include viral particles at all.
Pharmaceutical and biotech companies around the world are in hot pursuit to develop a safe and effective vaccine for COVID-19. First let’s look at a quick primer of how vaccines work in general.