What are the symptoms of influenza A?

The main symptoms of Influenza A (Type A influenza) include the following: 1. Fever: Patients with Influenza A typically develop high fever, with body temperature reaching 39-40°C, accompanied by chills or shivering. 2. Respiratory symptoms: These include cough (dry or with phlegm), sore throat, nasal congestion, runny nose, and sneezing. These symptoms may worsen as the condition progresses. 3. Systemic symptoms: The Influenza A virus can cause a systemic inflammatory response, leading to muscle pain, joint pain, headache, general malaise, fatigue, and loss of appetite. 4. Complications: Influenza A may lead to severe complications such as pneumonia, encephalitis, and myocarditis. The risk is higher, particularly among the elderly, children, pregnant women, and individuals with underlying medical conditions. If you experience the above symptoms or suspect you may have contracted Influenza A, prompt medical attention is recommended.