Symptoms of h7n9 avian influenza in Fujian Province?

summary

Avian influenza is the abbreviation of avian influenza. It is an infectious disease of poultry caused by influenza A virus. It is easy to cause epidemic among birds (especially chickens). In the past, it was called Chicken plague in the folk. The mortality of poultry is very high. Symptoms of h7n9 avian influenza in Fujian Province? Let's talk about it.

Symptoms of h7n9 avian influenza in Fujian Province?

1、 General manifestations: patients usually present with influenza like symptoms, such as fever, cough, less sputum, headache, muscle soreness and general discomfort. Severe patients developed rapidly, manifested as severe pneumonia, body temperature mostly continued above 39 ℃, dyspnea, hemoptysis and sputum; Acute respiratory distress syndrome, mediastinal emphysema, sepsis, shock, disturbance of consciousness and acute kidney injury can be rapidly developed.

2、 Laboratory examination 1. Blood routine. The total number of white blood cells is generally not high or low. Most of the severe patients had leukopenia, lymphopenia and thrombocytopenia. 2. Blood biochemical examination. In most cases, creatine kinase, lactate dehydrogenase, aspartate aminotransferase, alanine aminotransferase, C-reactive protein and myoglobin were increased. 3. Pathogen detection（ 1) Nucleic acid detection. Real time PCR (or RT-PCR) was used to detect the nucleic acid of h7n9 avian influenza virus in respiratory tract samples (such as nasopharyngeal secretions, oral gargles, tracheal aspirates or respiratory epithelial cells)（ 2) Virus isolation. H7n9 avian influenza virus was isolated from respiratory tract specimens of patients.

3、 Patients with pneumonia on chest imaging showed patchy images in the lung. In severe patients, the lesions progressed rapidly, showing multiple ground glass opacity and pulmonary consolidation in both lungs, with a small amount of pleural effusion. When ARDS occurs, the lesions are widely distributed.

matters needing attention

The prognosis of severe patients infected with h7n9 avian influenza is poor. The prognostic factors may include age, underlying diseases and complications.