According to Flu, a U.S. Department of Health and Human Services website, influenza A's symptoms are similar to other strains of flu, consisting of fever, chills, coughing, sore throat, runny or congested nose, headaches... More » Health Conditions & Diseases

Influenza, also known as the flu, is a contagious respiratory infection caused by different influenza viruses, according to WebMD. Muscle aches, headache and fever are symptoms of influenza. More »

Some canine influenza symptoms are sneezing, coughing, fever, lethargy and loss of appetite, claims the American Society for the Prevention of Cruelty to Animals. The dog may have a fever, breathe rapidly or with difficu... More »

Common symptoms of influenza type A include a cough, sore throat, headaches, body aches, fatigue, chills, nausea, vomiting, diarrhea and a fever of more than 100 degrees Fahrenheit, according to the U.S. Department of He... More »

Symptoms of influenza, or flu, include fever or chills, body aches, sore throat, cough, and a runny nose, according to the Centers for Disease Control and Prevention (CDC). Fatigue, headaches, vomiting and diarrhea are o... More »

Common symptoms of the flu include a cough, sore throat, fever of 100 degrees or higher, chills, fatigue and headache, according to Some people also have nausea, vomiting or diarrhea, although these symptoms are... More » Health Pain & Symptoms

The first sign of an HIV infection is often a flu-like illness that produces symptoms such as muscle aches, fever, diarrhea, headaches, sore throat and chills, explains Mayo Clinic. As the infection progresses to AIDS, s... More » Health Conditions & Diseases