For a brief moment of time at the beginning of July, it seemed as though the COVID-19 pandemic was finally winding down in the US. By August, those hopes were dashed by the emergence of the Delta lineage of variants, later compounded by the return of unvaccinated children to schools across the country.
The three vaccines authorized for use in the US – produced by Pfizer/BioNTech, Moderna and Janssen (a Johnson & Johnson...