New in MMWR: Ventilation in K-12 Schools, RSV, Hepatitis A, and more

["Morbidity and Mortality Weekly Report \(MMWR\) \(CDC\)" <no-reply@xxxxxxxxxxxxxxxxxxxx>]

This Week in MMWR: Vol. 72, April 7, 2023

April 7, 2023

WEEKLY REPORT

	Ventilation Improvements Among K–12 Public School Districts — United States, August–December 2022 To reduce school transmission of COVID-19, K–12 public school districts implemented ventilation improvements. Implementation of ventilation improvements varied by school district, U.S. Census Bureau region, geographic locale, and poverty level.

• Seasonality of Respiratory Syncytial Virus — United States, 2017–2023
• Widespread Community Transmission of Hepatitis A Virus Following an Outbreak at a Local Restaurant — Virginia, September 2021–September 2022
• Update on Vaccine-Derived Poliovirus Outbreaks — Worldwide, January 2021–December 2022

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QUICKSTATS

Rates of Death Due to Unintentional Injury from Fire or Flames, by Sex and Urbanization Level — National Vital Statistics System, United States, 2021

PDF of this Issue (link).

CONTINUING EDUCATION

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PODCAST

MMWR Weekly Briefing Podcast: Weeks of February 27 and March 6

The latest MMWR Weekly Briefing is live. Topics include: Hepatitis B testing recommendations, Cronobacter infections in infants, and more. Listen and subscribe onn: Apple Podcasts, Stitcher, Spotify, and Google Play.

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