New COVID-19 Cases and Hospitalizations Among Adults, by Vaccination Status — New York, May 3–July 25, 2021

Interim Estimates of Vaccine Effectiveness of Pfizer-BioNTech and Moderna COVID-19 Vaccines Among Health Care Personnel — 33 U.S. Sites, January–March 2021

(2021) Tamara Pilishvili et al.   MMWR-MORBIDITY AND MORTALITY WEEKLY REPORT

Effectiveness of Covid-19 Vaccines against the B.1.617.2 (Delta) Variant

(2021) Jamie Lopez Bernal et al.   NEW ENGLAND JOURNAL OF MEDICINE

Three Doses of an mRNA Covid-19 Vaccine in Solid-Organ Transplant Recipients

(2021) Nassim Kamar et al.   NEW ENGLAND JOURNAL OF MEDICINE

Evaluation of post-introduction COVID-19 vaccine effectiveness: Summary of interim guidance of the World Health Organization

(2021) Minal K. Patel et al.   VACCINE

Outbreak of SARS-CoV-2 Infections, Including COVID-19 Vaccine Breakthrough Infections, Associated with Large Public Gatherings — Barnstable County, Massachusetts, July 2021

(2021) Catherine M. Brown et al.   MMWR-MORBIDITY AND MORTALITY WEEKLY REPORT

COVID-19 Testing, Epidemic Features, Hospital Outcomes, and Household Prevalence, New York State—March 2020

(2020) Eli S Rosenberg et al.   CLINICAL INFECTIOUS DISEASES