What are the symptoms of bird flu in humans?

After people get avian influenza, they must pay attention to promptly detect these symptoms and take timely treatment, especially when fever, runny nose, nasal congestion, cough, nausea and vomiting, or some central nervous system symptoms occur, they should be advised to go to the hospital for correct treatment.

1: A serious complication of influenza virus infection, common in children aged 2 to 16 years. Initially, the patient experienced nausea and vomiting, followed by central nervous system symptoms. ) and other complications.

2. Acute onset, early symptoms are similar to common influenza, mainly fever, runny nose, nasal congestion, cough, sore throat, headache, and general discomfort. Conjunctivitis may be seen in some patients.

3. The main symptom is fever, with body temperature mostly remaining above 39°C. The fever lasts for 1 to 7 days, usually 3 to 4 days, and may be accompanied by runny nose, nasal congestion, cough, sore throat, headache and general discomfort.

4. The body temperature mostly remains above 39°C, and the fever lasts for 1 to 7 days, usually 2 to 3 days.

5. Half of the patients have signs of pulmonary consolidation. Lymphocytes were mostly decreased. Bone marrow puncture showed active cell proliferation, reactive histiocytosis and hemorrhagic phagocytosis. Some patients had elevated ALT (alanine aminotransferase) and negative pharyngeal swab bacterial culture.

6. Mild to severe respiratory symptoms, including coughing, sneezing, and excessive tearing.

7. The condition of critically ill patients progresses rapidly, manifesting as severe pneumonia, with body temperature mostly remaining above 39°C, dyspnea, and coughing up blood and sputum; it can rapidly progress to acute respiratory distress syndrome, mediastinal emphysema, sepsis, shock, impaired consciousness, and acute kidney injury.

8. The incubation period for human infection with H7N9 avian influenza is generally less than 7 days. Patients generally present with flu-like symptoms, such as fever, cough, and little sputum, which may be accompanied by headache, muscle aches, and general discomfort.