Metabolic health before vaccination determines effectiveness of anti-flu response

Published on April 18, 2024

The annual influenza vaccine has become less effective on average over time. One reason may be reduced vaccine efficacy in people with obesity than those with a healthier body mass index (BMI), while the number of people with high BMI grows. Findings showed switching mice to a healthy diet four weeks before influenza vaccination protected 100% from a later flu exposure, despite still having a high BMI.

Continue reading on website
Other news

What CDC Is Doing to Respond to Bird Flu Outbreaks in Dairy Cows and Other Animals in the United States

April 18, 2024
CDC is working with USDA and state partners to monitor for infections in exposed persons in the states where detections in poultry, backyard flocks, or other animals have occurred.

Avian Influenza A(H5N1) U.S. Situation Update and CDC Activities

April 19, 2024
CDC continues to respond to the public health challenge posed by the outbreak of avian influenza A(H5N1) virus, or "H5N1 bird flu" in dairy cows and other animals in the U.S. CDC is collaborating with partners including the U.S. Department of Agriculture (USDA), the Food and Drug Administration (FDA), and state public health and animal health officials to address this emerging infectious disease u