--- title: Canine Flu Outbreak Hits Chicago description: Five dogs have already died, and there are more than 1,000 cases. canonical: https://time.com/3773332/canine-flu-chicago-dogs/ author: Nolan Feeney article:opinion: false article:content_tier: free article:published_time: 2015-04-07T02:02:43.000Z article:modified_time: 2026-02-22T05:44:40.111Z article:section: Science og:title: Rare Canine Flu Outbreak Hits Chicago og:description: Five dogs have already died, and there are more than 1,000 cases og:url: https://time.com/3773332/canine-flu-chicago-dogs/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt8ae1e4123821f0da/698786f1cd1bba35556f60c1/sick-dog.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 og:image:width: 2100 og:image:height: 1181 og:image:alt: sick dog og:type: article twitter:card: summary_large_image twitter:title: Rare Canine Flu Outbreak Hits Chicago twitter:description: Five dogs have already died, and there are more than 1,000 cases twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt8ae1e4123821f0da/698786f1cd1bba35556f60c1/sick-dog.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 ---  # Rare Canine Flu Outbreak Hits Chicago > Sponsored content. 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Future Proof is free at time.com/newsletters. ### Sources * TIME Newsletters: [time.com/newsletters](/c/time-nl-futureproof-2026q3/newsletters?i=975aab20-f994-4ec3-8245-baa59d2d5f14&cr=time-nl-futureproof-2026q3-v1)  by [Nolan Feeney](https://time.com/author/nolan-feeney/)  ## Nolan Feeney Apr 7, 2015 2:02 AM UTC  Canine Patient in Hospital Room Canine Patient in Hospital Room Getty Images  by [Nolan Feeney](https://time.com/author/nolan-feeney/)  ## Nolan Feeney Apr 7, 2015 2:02 AM UTC An unusual [outbreak](http://www.cookcountyil.gov/animal-rabies-control-home/) of canine flu around the Chicago area has killed five dogs and led to more than 1,000 cases, according to the Cook County Department of Animal and Rabies Control. The symptoms of canine infectious respiratory disease include lethargic behavior, lax appetite, a lingering cough and a fever, the department notes, with more severe cases showing up in dogs less than a year old and older than seven. Until the outbreak subsides, which the department says may not occur for several weeks, dog owners have been warned to avoid pet-friendly areas like parks, as well as group training and other instances where pups can be in close contact. A two-shot flu vaccination over three weeks (requiring a yearly booster shot) is available, Dr. Anne Cohen, of the Chicago Veterinary Emergency and Specialty Center, [told](http://abcnews.go.com/Health/canine-flu-outbreak-hits-chicago-sickens-1000-dogs/story?id=30124599) ABC. But it’s not necessary for all dogs. “This isn’t a typical vaccination we give but because of the outbreak we’re recommending it for all high-risk dogs.” ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/3773332/canine-flu-chicago-dogs/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/3773332/canine-flu-chicago-dogs/"},"headline":"Rare Canine Flu Outbreak Hits Chicago","datePublished":"2015-04-07T02:02:43.000Z","dateModified":"2026-02-22T05:44:40.111Z","description":"Five dogs have already died, and there are more than 1,000 cases","url":"https://time.com/3773332/canine-flu-chicago-dogs/","keywords":["animals","chicago"],"thumbnailUrl":"https://static.time.com/v3/assets/bltea6093859af6183b/blt8ae1e4123821f0da/698786f1cd1bba35556f60c1/sick-dog.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","author":[{"@type":"Person","name":"Nolan Feeney","jobTitle":null,"url":"https://time.com/author/nolan-feeney/"}],"articleSection":"Science","image":[{"@type":"ImageObject","url":"https://static.time.com/v3/assets/bltea6093859af6183b/blt8ae1e4123821f0da/698786f1cd1bba35556f60c1/sick-dog.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","width":1200,"height":675,"headline":"sick dog","caption":"sick dog","creditText":"Getty Images","representativeOfPage":true}],"publisher":{"@type":"Organization","name":"Time","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/section/science/","name":"Science"}},{"@type":"ListItem","position":2,"item":{"@id":"/tag/animals/","name":"animals"}},{"@type":"ListItem","position":3,"item":{"@id":"https://time.com/3773332/canine-flu-chicago-dogs/","name":"Rare Canine Flu Outbreak Hits Chicago"}}]}] ```