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: "State-Level Economic Costs of Opioid Use Disorder and Fatal Opioid Overdose - United States, 2017"; "Progress in Immunization Safety Monitoring - Worldwide, 2010-2019"; "Update: COVID-19 [coronavirus disease 2019] Pandemic-Associated Changes in Emergency Department Visits - United States, December 2020-January 2021"; "Factors Associated with Participation in Elementary School-Based SARS-CoV-2 [severe acute respiratory syndrome coronavirus 2] Testing - Salt Lake County, Utah, December 2020-January 2021"; "Trends in Racial and Ethnic Disparities in COVID-19 Hospitalizations, by Region - United States, March-December 2020"; "Emergency Department Visits for COVID-19 by Race and Ethnicity -13 States, October-December 2020"; "Notes from the Field Update on Excess Deaths Associated with the COVID-19 Pandemic - United States, January 26, 2020-February 27, 2021"; "COVID-19 Stats"; and "QuickStats." 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 (April 16, 2021), v.70 no.15, p.541-574