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 Novavax COVID-19 vaccine against coronavirus variants?

• Exactly 75%

• More than 90%

• Around 60%

• Less than 50%

Which strain of coronavirus is the Novavax vaccine most effective against?

• Original and alpha strains

• Delta strain

• Gamma strain

• Beta strain

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

• It uses mRNA technology

• It uses a live virus

• It uses purified virus pieces

• It is a nasal spray

What does the Novavax vaccine contain to trigger an immune response?

• Live virus

• DNA

• Treated spike protein

• mRNA

What is the role of the spike protein in the Novavax vaccine?

• To replicate the virus

• To trigger the immune system

• To penetrate human cells

• To cause disease