Coronavirus vax. cuts risk of long Covid: Lancet
The study, led by King's College London, found that of more than 1.2 million adults who received at least one dose of either the Pfizer-BioNTech, Oxford-AstraZeneca, or Moderna vaccine, between December 2020 and July 2021, fewer than 0.5 per cent reported a breakthrough infection more than 14 days after their first dose.