Notes from the Field: Initial Outbreak Response Activity Following Wild Poliovirus Type 1 Detection - Malawi, February 2022

Published on June 9, 2022

This report describes response activity to an initial outbreak of wild poliovirus type 1 in Malawi.

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EARLY RELEASE: Ventilation Improvement Strategies Among K-12 Public Schools - The National School COVID-19 Prevention Study, United States, February 14-March 27, 2022

June 7, 2022
This report describes survey results of ventilation strategies reported by U.S. K-12 public schools to help prevent COVID-19 spread.

EARLY RELEASE: Trends in Acute Hepatitis of Unspecified Etiology and Adenovirus Stool Testing Results in Children - United States, 2017-2022

June 14, 2022
This report describes how there was no increase in pediatric hepatitis of unknown cause or increases in adenovirus compared with pre-COVID-19 pandemic levels.