Bird Flu Cases Spike as CDC Deploys Team to Washington State

CHICAGO – The Centers for Disease Control and Prevention (CDC) is sending a team to Washington state following the identification of four farm workers presumed to have contracted avian influenza, also known as bird flu. These cases mark the sixth state to report human infections in 2024, raising concerns among public health experts.

Growing Worry Among Experts

The Washington cases come on the heels of recent outbreaks affecting U.S. dairy cattle and more than two dozen farm workers across the country. These developments have sparked alarm among scientists and federal officials, particularly due to the potential for the virus to mutate and spread more easily among humans. The CDC stressed that the risk to the general public remains low.

Double Threat: Bird Flu and Seasonal Flu

Experts warn of a heightened risk if individuals contract both avian influenza and seasonal flu simultaneously. This “double infection” could facilitate viral mutations that might make bird flu more transmissible and potentially lead to a pandemic. California and Washington are both taking steps to protect farm workers by offering seasonal flu vaccines in an effort to minimize their risk of dual infection.

Limited Evidence of Human-to-Human Transmission

“We don’t have evidence yet of transmission between people,” said Roberto Bonaccorso, spokesperson for the Washington State Department of Health.

How the Infections Occurred

The four Washington workers who tested positive had been involved in culling chickens at an infected egg farm. They experienced mild respiratory symptoms and conjunctivitis. Authorities indicated that their protective gear use was inconsistent, suggesting a potential source of exposure.

Nationwide Impact

The outbreak of avian influenza has led to the elimination of over 100 million chickens, turkeys, and other birds in the United States since it began in 2022.

CDC Response

The CDC is awaiting specimens for testing from Washington and is deploying a team on the ground to support the state’s assessment of farm worker health. They are also continuing to monitor the situation closely to mitigate the risks associated with avian influenza.