A combined analysis of SARS-CoV-2 viral load and whole-genome sequences from COVID-19 patients, including some who were previously vaccinated, reveals that vaccine breakthrough infections are more commonly associated with antibody-resistant SARS-CoV-2 variants than infections in unvaccinated individuals, and that symptomatic breakthrough infections may be as efficient in spreading COVID-19 as unvaccinated infections.
- Venice Servellita
- Mary Kate Morris
- Charles Y. Chiu