lethal and less severe? that is a great question. it is likely that the reason it is less severe is that in south africa a large proportion of the population has been infected and recovered, and a smaller proportion had been vaccinated. so it is likely that the protection dennis infection is not very good because it will get into the nasal pharinx. and the experience of a various of a different variant may be protecting you are from severe decide that involves the lungs. so there is one or two reasons why there is less hospitalizations in south africa. and possibly let s in the united states. the vie us have let s verilant,