The Morbidity and Mortality Weekly Report (MMWR) Series is prepared by the Centers for Disease Control and Prevention (CDC). [It] is the agency's primary vehicle for scientific publication of timely, reliable, authoritative, accurate, objective, and useful public health information and recommendations. This issue of MMWR contains the following: "COVID-19 [coronavirus disease 2019] Vaccine Safety in Children Aged 5-11 Years -- United States, November 3-December 19, 2021"; "Interim Estimate of Vaccine Effectiveness of BNT162b2 (Pfizer-BioNTech) Vaccine in Preventing SARS-CoV-2 [severe acute respiratory syndrome coronavirus 2] Infection Among Adolescents Aged 12-17 Years -- Arizona, July-December 2021"; "Characteristics and Clinical Outcomes of Children and Adolescents Aged <18 Years Hospitalized with COVID-19 -- Six Hospitals, United States, July-August 2021"; "Evaluation of a Test to Stay Strategy in Transitional Kindergarten Through Grade 12 Schools -- Los Angeles County, California, August 16-October 31, 2021"; "Evaluation of Test to Stay Strategy on Secondary and Tertiary Transmission of SARS-CoV-2 in K-12 Schools -- Lake County, Illinois, August 9-October 29, 2021"; "Investigation of a SARS-CoV-2 B.1.1.529 (Omicron) Variant Cluster -- Nebraska, November-December 2021"; and "Percentage of Children and Adolescents Aged 1-17 Years Who Received an Influenza Vaccine Within the Past 12 Months, by Health Insurance Coverage and Age Group -- National Health Interview Survey, United States, 2019-2020." Notifiable Diseases and Mortality Tables from this issue can be accessed at the following link [http://www.cdc.gov/mmwr/index2021.html].
Morbidity and Mortality Weekly Report: http://www.cdc.gov/mmwr/index.html/
MMWR: Morbidity and Mortality Weekly Report (December 31, 2021), v.70 no.51-52, p.1755-1786