Successful MERS vaccine in mice may hold promise for COVID-19 vaccine

This shows the protein spikeResearchers have developed a new vaccine that fully protects mice against MERS by using a harmless virus to deliver MERS-CoV into cells and generate an immune response. The vaccine is an innocuous parainfluenza virus (PIV5) which carries the spike protein MERS uses to infect cells. Findings show the PIV5 based vaccine could be a useful platform for COVID-19.