In the last months of the year, 20 big cats died in an outbreak of bird flu in Washington State. KUOW’s Casey Martin and John Ryan report on how researchers in the state are racing to learn more before the next outbreak hits. We can only make Seattle Now because listeners support us. Tap here to make a gift and keep Seattle Now in your feed.  Got questions about local news or story ideas to share? We want to hear from you! Email us at seattlenow@kuow.org, leave us a voicemail at (206) 616-6746 or leave us feedback online.See omnystudio.com/listener for privacy information.