What are the symptoms of bird flu now?

summary

If people suffer from avian influenza, they will become human avian influenza, which is an acute respiratory infectious disease caused by some strains of some subtypes of avian influenza A virus. Although human avian influenza appears only in local areas, considering the general lack of human immunity to avian influenza virus, the high mortality of human infection with H5N1 avian influenza virus and the possible virus mutation, etc. What are the symptoms of bird flu now?, Here is an introduction.

What are the symptoms of bird flu now?

The incubation period of avian influenza infection, because of individual differences, early and late onset and after the severity of the disease are very different. 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 fever course is 1 to 7 days, generally 2 to 3 days.

Respiratory symptoms early performance is similar to cold symptoms, 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.

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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.