EARLY RELEASE: Interim Effectiveness Estimates of 2023 Southern Hemisphere Influenza Vaccines in Preventing Influenza-Associated Hospitalizations - REVELAC-i Network, March-July 2023

Published on September 8, 2023

This report describes flu vaccine effectiveness data from five South American countries during the 2023 Southern Hemisphere flu season.

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Notes from the Field: Gastrointestinal Illness Among Hikers on the Pacific Crest Trail - Washington, August-October 2022

September 7, 2023
This report describes cases of gastroenteritis among Pacific Crest Trail hikers in Washington State.

Notes from the Field: Online Weight Loss Supplements Labeled as Tejocote (Crataegus mexicana) Root, Substituted with Yellow Oleander (Cascabela thevetia) - United States, 2022

September 14, 2023
This report describes mislabeled online weight loss supplements.