Swine flu virus is not a new virus to humans and animals spread and pathogenic

Recently, the Proceedings of the National Academy of Sciences published the Chinese Agricultural University Liu Jinhua research team on the G4 swine flu virus article, causing a number of domestic and foreign media reprinted, many exaggerated and false interpretationRecently, the National Committee of Animal Epidemic Prevention Experts organized animal husbandry and veterinary, epidemic prevention and control, customs plant inspection and other fields experts held a symposium, on the impact of the virus on the pig industry and public health field analysisThe lead author of the article also attended the meetingexperts agreed that the G4 swine flu virus reported in the article is an H1N1 subtype influenza virus, is a relatively common virus in human seasonal influenza and swine flu, is not a new virusInfluenza viruses are prone to mutation, but most of them are less spreadand and pathogenic to humans and animalsRyan, head of the World Health Organization's emergency program, also stressed on July 1 that the virus is not a new virus and has been monitored continuously by the Global Influenza Surveillance Network, the WHO Cooperation Center and the Chinese authorities since 2011lead author of the article said that the G4 swine flu virus is difficult to replicate effectively in the human body caused by the disease, the study involved pig farm practitioners did not have flu symptomsExperts agreed that the detection sample size reported in this article is small, not representative, the g4 swine flu virus spread in the population is less likely, the article mainly uses the research data before 2018, there is insufficient evidence that G4 swine flu virus has become the dominant strain in the pig population, there is no significant increase in the pathogenicity and fatality of pigs, the impact on pig production is smallnext step, the National Committee of Experts on Animal Epidemic Prevention will continue to strengthen surveillance and analysis with relevant departments to provide timely early warning and disposal of situations that may lead to major outbreaks of human sand and animals(Yang Hanchun, Head of the Pig Disease Expert Group of the National Committee of Animal Epidemic Prevention Experts and Professor of Agricultural University of China, July 3, 2020)