NewslettersImmunology of Infectious Disease NewsVaccine Effectiveness against SARS-CoV-2 Reinfection during Periods of Alpha, Delta, or Omicron Dominance: A Danish Nationwide StudyBy lbeveridge - November 23, 20220144Using Danish nationwide registries, the authors obtained information on SARS-CoV-2 infections, COVID-19 vaccination, age, sex, comorbidity, staying at hospital, and country of origin.[PLoS Medicine]Full Article