It looks like the World will probably see its first COVID-19 vaccine being made available for public use in 2020 afterall. Russia is moving at a lightning fast pace to roll out its own locally developed vaccine based on a human adenovirus (a common cold virus) fused with the spike protein of COVID-19 virus to stimulate an immune response in our bodies. This is similar to the vaccine being developed by China's CanSino Biologics. I have no doubt that there will be more and more success stories of vaccine being approved for use to combat COVID-19 this year and also early 2020. The only question will be how effective will be the new vaccines. Not all vaccine will be the same in terms of efficacy. For example, the CanSino vaccine using the adenovirus has results that suggest that it will not work well in people with pre-existing immunity to the adenovirus....