A daily chronicle of ongoing events pertaining to infectious diseases
Saturday, April 13, 2013
New confirmed cases of human infection of H7N9 avian influenza cases in Shanghai
Xinhua Shanghai, April 13 (Chou Yi), according to the Shanghai Municipal Health and Family Planning Commission, Shanghai Municipal Center for Disease Control on the 13th Bulletin, Shanghai confirmed cases of human infection with H7N9 avian influenza cases diagnosed before her husband.The experts said, is still not enough to determination husband Gumou incidence is due to certain infectious wife.
In the evening of April 12, the National Health and Family Planning Commission and the Shanghai Municipal Health and Family Planning Commission jointly organized the experts had a full discussion on the epidemiological association of the two cases, and other issues, according to the information currently available, insufficient to determine the husband Gu an incidence is due to certain infectious wife.Experts should pay attention to the research, to strengthen co-exposure history of cases, clusters of cases of human infection with the H7N9 avian influenza virus pathogenic characteristics with the study of the natural history of disease.
Wife couple in particular fever was found on March 27, 2013, and died on the evening of April 3.April 4 patients collected respiratory specimens were found positive for H7N9 avian influenza virus nucleic acid, and after municipal clinical expert consultation diagnosis of human infection of H7N9 avian influenza confirmed cases.It is reported that the law of her life, every day on farms procurement, although the home does not eat chicken duck, but frequented the stalls and live poultry stalls near.
The couple husband Gumou, 56-year-old Shanghai, officer.April 1 onwards, fatigue, fever and other symptoms.April 3, 4, two to the Huashan Hospital for treatment, April 4, 2011 18 at Huashan Hospital Gumou the treatment go to the Shanghai Public Health Clinical Center, patients are further treatment in a critical condition.April 5, City CDC of the cases in accordance with the conventional throat swab sample to check the results for the H7N9 avian influenza virus nucleic acid negative.On April 6 Gumou high fever, the disease continues to progress.On April 10, the CDC is sampled again, plus adopted a patient's lower respiratory tract secretions samples.April 11, the City CDC and another in Shanghai National Influenza Network Laboratory for testing, the test results were positive for H7N9 avian influenza virus nucleic acid.Experts said the birds feeding near the patient's family, there is the risk of exposure.
As at 16:00 on the the 13th, were found in 21 cases of human infection with the H7N9 avian influenza confirmed cases, of which 7 died.
Wu Fan, director of Shanghai Municipal Center for Disease Control said, still determine the virus does not have the sustained human-to-human transmission capacity across the country in all cases are sporadic cases, further epidemiological investigations found no association.