Apr. 03, 2013 8:47 PM
China news agency, Beijing, April 3 (Ouyang Kai-Yu) According to the findings of the incubation period for influenza and the the existing H7N9 avian influenza virus infections, H7N9 avian influenza virus incubation period is generally less than 7 days. This is the information released by the National Health and Family Planning Commission, the evening of 3.
The above information is written at the same time the day of the National Health and Family Planning Commission announced the "human infection with the H7N9 avian flu clinic program (2013) being.
Described the program from the etiology, epidemiology, clinical manifestations, laboratory tests, diagnosis and differential diagnosis "and other aspects of human infection with the H7N9 avian influenza.
The program said the avian flu virus, Orthomyxoviridae Influenza A virus is. The emergence of human infection of H7N9 avian influenza virus, the virus is a new reassortant virus, its internal genes from the H9N2 avian influenza virus.Problem for the source of infection, the official document that is not clear, based on past experience and the epidemiological investigation, speculated that might carry the H7N9 avian influenza virus in poultry and poultry secretions or excretions.
The route of transmission of the disease spread through the respiratory tract, may also be infected through close contact with infected poultry secretions or excretions, direct contact with the virus may also be infected. Now there is no conclusive evidence of human-to-human transmission.
At the same time, it is not yet conclusive evidence susceptible of human H7N9 avian influenza virus. Existing confirmed cases are adults.For high-risk groups, the program said that, at this stage is mainly engaged in poultry breeding, sale, slaughter and processing industry, as well as 1 week prior to the onset of contact with birds by.
In the clinical manifestations, patients generally showed flu-like symptoms, such as fever, cough, little phlegm, may be associated with headache, muscle aches, and general malaise. Rapidly in patients with severe progression of the disease, manifested as severe pneumonia, the body temperature is mostly sustained above 39 ℃, difficulty in breathing, can be associated with hemoptysis sputum; rapid progress acute respiratory distress syndrome, mediastinal emphysema, sepsis, shock, awareness disorder and acute kidney injury.
The program also mentioned, you should note that the H7N9 avian influenza and human infection of highly pathogenic H5N1 avian influenza, seasonal influenza (including H1N1), bacterial pneumonia, infectious atypical pneumonia (SARS), a new coronavirus pneumonia Adenovirus pneumonia, Chlamydia pneumoniae, Mycoplasma pneumonia and other diseases for differential diagnosis. Differential diagnosis depends on pathogenic examination. http://www.chinanews.com/gn/2013/04-03/4703140.shtml
