Article links to a preprint of a paper it describes as "the best study to date" to bolster its arguments. That paper contains the quote: "Individuals who were

Article links to a preprint of a paper it describes as "the best study to date" to bolster its arguments. That paper contains the quote: "Individuals who were both previously infected with SARS-CoV-2 and given a single dose of the vaccine gained additional protection against the Delta variant."