Dog Flu H3N2: What to Know on Canine Influenza, Symptoms

An outbreak of the dog flu, which has sickened hundreds of canines across the country over the last two years, has hit Florida for the first time. The highly contagious virus recently infected at least a dozen dogs in the Sunshine State, the University of Florida’s College of Veterinary Medicine said Wednesday. While the virus strain is not usually fatal and is not known to be transferrable to humans, it can spread rapidly and cause debilitating complications.

“There’s always that concern that another large outcome could happen again,” said Michael San Filippo, a spokesman for the American Veterinary Medical Association (AVMA), referring to an outbreak of the dog flu in Chicago in 2015, when hundreds of illnesses were reported. “We don’t want people to panic because typically, from what we know, it’s usually mild, although it can progress and can lead to other infections and be serious. We want to catch these things as early as possible.”

Here’s what to know about the dog flu:

What is the dog flu?

Canine influenza, more commonly known as the dog flu, is a respiratory disease that is easily spread among dogs, according to the Centers for Disease Control and Prevention (CDC). Symptoms are similar to what humans have when infected with the flu, including coughing, runny nose and fever. However, some dogs can suffer from life-threatening pneumonia. There are two different viruses, including the latest H3N2 virus, which was first detected in dogs in the U.S. in 2015. At the time, more than 1,000 illnesses were reported in Illinois, where it began, and several nearby states, according to the AVMA. At least six cases were fatal, the organization said. The affected states included Georgia, Massachusetts, New Jersey, Alabama, California, Texas, New York, Iowa, Michigan, Wisconsin and Indiana, according to Cornell’s Animal Health Diagnostic Center.

What happened in Florida?

At least 12 dogs were recently diagnosed with canine influenza after either attending…

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