Flu Trends Linked to Climate Change (image) Arizona State University Caption Research by Arizona State University scientists tracked the number of flu cases by week for the past 16 years. Their studies suggest there is a trend toward earlier and more severe flu seasons with potential link climate change. Credit Arizona State University Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.