Release date: 2014-11-06
Jiangsu discovered the first case of human infection with H7N9 virus in this fall, which made people worry about how the epidemic will develop. On November 4, experts from the Jiangsu Provincial Center for Disease Control and Prevention said in an interview: At present, human infection with H7N9 virus is still highly sporadic. Three patients have been found in the past three months, and there is no need to worry too much. The province has set up external environmental testing in 13 urban areas. The latest cases of human infections and the appearance of viruses in the external environment indicate that public prevention is needed. For example, try to avoid contact with live birds. If you want to kill chickens, please protect them. For example, wearing gloves and masks, you must wash your hands.
H7N9 virus
Highly distributed, don't worry too much
It is reported that there were two waves of epidemics in Jiangsu before, and the first time was mainly concentrated in the spring after April 2013. In 2013, a total of 30 people were diagnosed with H7N9 and 10 died in Jiangsu. The second time in the winter and spring of January-May this year, a total of 27 cases of H7N9 were diagnosed, and 15 people are currently dead.
After this new epidemic, the provincial CDC experts believe that it is still highly distributed. In the past three months, including Jiangsu, three cases of human infection with H7N9 virus were found in the country. On November 1st, a new confirmed case of H7N9 avian influenza was discovered in Nanjing.
Experts remind that if there is related flu symptoms to the hospital, the doctor will judge according to the symptoms. If there is a history of contact with poultry in the short term, you should tell the doctor on your own initiative. The doctor will sample according to the patient's condition and then send it to the CDC for testing.
External environmental monitoring: there are samples carrying viruses
Experts from the Jiangsu Provincial Center for Disease Control and Prevention told reporters that at present, 13 cities in the province have set up external environmental monitoring points, that is, to regularly sample the markets involved in poultry trading, including sampling inside and outside the market and even chopping boards. "From the monitoring results, there is no abnormal situation in August-September. In October, samples were detected for H7N9 virus." Experts said that this indicates that the risk of infection may increase, which is why some local cities have to ban live bird trade. s reason.
For the public, don't panic too much. From the current research, the H7N9 virus is difficult to spread directly from person to person. For some high-risk groups, such as live poultry traders, the infection rate is less than 1%. Therefore, if the protection is done and direct contact with live birds is avoided, the disease can be effectively prevented. If you want to slaughter live chickens, wear gloves and a mask, and wash your hands after you finish. From the current point of view, many people are infected because the hand is exposed to the virus, and then infected through the oral mucosa and nasal mucosa.
Characteristics of the disease: more middle-aged and older people, more males
Provincial CDC experts said that from their summary of the number of cases in Jiangsu, male patients were more than female, and middle-aged and older men were more infected. The incubation period of the disease is generally about 7 days. Once infected, the mortality rate is also high. "From the current data, about 30% of the patients died and died." From the characteristics of the disease, the disease will initially be similar to other flu. It is a fever, and then quickly turns into pneumonia, and some even have bloodshot sputum, and then there may be respiratory failure.
Question: Are there any hidden dangers in free-range chicken?
Nowadays, many people like to raise chickens. Is there any hidden danger? The provincial CDC experts said that this depends on how to raise. From the current point of view, the virus is transmitted to chickens through migratory birds and virus recombination with wild ducks in the Yangtze River Delta region. H7N9 is not fatal to the chicken itself, so the chicken does not develop, which is different from the highly pathogenic avian influenza in the past. From this perspective, if the chicken is from small to large, has been kept at home, and has less contact with the outside world, the chance of infection is small. If you buy from other sources and then raise the home, you are still likely to be infected.
Chickens are susceptible to this virus, so other poultry? Provincial CDC experts said that from the current research and testing, mainly related to chickens, pigeons, ducks, geese, etc. are still relatively rare.
Source: Modern Express
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