Human avian influenza symptoms?

summary

Avian influenza is an infectious viral disease transmitted to human by type A influenza virus through birds. If it is not found in time, it will cause life-threatening to human body. Here are some symptoms of human infection with avian influenza.

Human avian influenza symptoms?

Because of the individual differences, there are great differences in the incidence of avian influenza. Generally, the incubation period of avian influenza infection in humans ranges from one day to seven or eight days, most of which are two to four days after infection.

Fever is one of the most common symptoms of human avian influenza. Most of the patients' body temperature is above 39 ℃, and the heat course is 1 to 7 days, generally 2 to 3 days. Early performance is similar to the symptoms of a cold, mainly runny nose, nasal congestion, cough, sore throat, some patients can see conjunctivitis. After the development of pulmonary infection, leading to dyspnea, cough, phlegm, respiratory failure.

A small number of patients may have nausea, abdominal pain, diarrhea, watery stool and other gastrointestinal symptoms, mainly caused by the virus invasion of the digestive tract.

matters needing attention

Half of the patients had signs of pulmonary consolidation. Most of the lymphocytes decreased. Bone marrow biopsy showed active cell proliferation and reactive histiocytosis with hemorrhagic phagocytosis. Some patients had elevated alanine aminotransferase and negative bacterial culture of pharyngeal swab. Chest X-ray showed unilateral or bilateral pneumonia in several patients and pleural effusion in a few patients.