Powerful new COVID vaccine undergoing final trials

Novavax announced its COVID-19 vaccine is over 90% effective against various coronavirus variants, including the original and alpha strains. Unlike mRNA vaccines like Pfizer and Moderna, Novavax uses a traditional method by injecting purified virus proteins to trigger an immune response. This approach involves using a treated version of the virus's spike protein to stimulate antibody production without causing disease.

What is the effectiveness of the new COVID-19 vaccine mentioned in the text?

How does Novavax's vaccine differ from mRNA vaccines like Pfizer and Moderna?

What type of immune response does Novavax's vaccine aim to trigger?

What component of the virus does the Novavax vaccine contain?

Why is the spike protein important in the context of the coronavirus vaccine?