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CDC Investigates Presumptive Bird Flu Cases in Washington Farm Workers

Four agricultural workers in Washington state have tested presumptively positive for bird flu, prompting a CDC investigation as concerns over virus spread grow.

A test tube labelled "Bird Flu", eggs and a piece of paper in the colors of the U.S. national flag are seen in this picture illustration, January 14, 2023. REUTERS/Dado Ruvic/Illustration/File Photo
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Overview

  • Washington is the sixth U.S. state to report human cases of bird flu this year, with four workers at a Franklin County egg farm testing presumptively positive.
  • The workers exhibited mild symptoms such as respiratory issues and conjunctivitis and have been treated with antiviral medication.
  • Approximately 800,000 chickens were culled at the affected farm following the detection of avian influenza in the flock.
  • Health officials emphasize that there is no current evidence of human-to-human transmission, and the risk to the general public remains low.
  • The CDC is conducting further testing to confirm the cases, while local health authorities continue to monitor and test individuals exposed to infected poultry.