With other 100 vaccines for COVID-19 currently being trialled, Dr Ross Walker explains what vaccination is and how the latest research into Coronavirus vaccines is progressing.For a free 21 day trial to the Switzer Report, visit: camera phonecheckCoronavirusCOVID-19COVID-19 immune systemCOVID19freegamechangerimmune systemIMMUNITYsharinguploadvideovideo phoneVITAMINvlogYouTube
