The latest papers suggest that delta has very little vaccine-evading ability. It’s more contagious in general, and the Pfizer/BioNTech vaccine is less effective

The latest papers suggest that delta has very little vaccine-evading ability. It’s more contagious in general, and the Pfizer/BioNTech vaccine is less effective after several months than would be ideal. Of course, this means that most breakthrough infections are delta.