Figure 1. Weekly Incidence Rate of SARS-CoV-2 Infections (Unique Persons) by Vaccination Status.

Persons had at least 1 self-reported symptom per US Centers for Disease Control and Prevention (CDC) definition (fever, shortness of breath, cough, chills, nausea or vomiting, muscle pain, sore throat, loss of taste or smell, fatigue, headache, congestion, diarrhea). Vaccinated persons included all receiving any number of doses of any of the 3 vaccines (for mRNA vaccines, 99.9% of persons reported receiving 2 doses). Data on Delta virus proportions were obtained from the CDC website.