symptoms of dog flu
Symptoms may be seen after 2-5 days of exposure and infected dog have the ability to spread flu virus for 7-10 days. Dog Flu Symptoms. 1  cold. 2  sneezing. 3  persistence coughing for 1-3 weeks. 4  dry, hacking cough. 5  gagging or choking like going to vomit after cough. 6  listlessness. 7  rapid, shallow and difficulty breathing. 8  runny eyes.