This incident is the production of veterinary brucellosis vaccine by Lansheng Pharmaceutical Factory from July 24 to August 20, 2019, due to the expiration of disinfectant and incomplete disinfection of the exhaust gas containing vaccine strains, coupled with the Lanzhou Veterinary Research Institute is in the direction of the downwind of the Lansheng Pharmaceutical Factory, which is caused by the inhalation of human beings or contact with the mucous membranes, resulting in the brucella antibody-positive events.
From this investigation, the analysis of the situation, July to August, Lanzhou City, the main wind for the southeast wind, the wind 2 to 3, Lansheng Pharmaceuticals emissions containing bacteria waste gas formation of aerosols, through the air dispersal distance is limited to a very low dose of human exposure. Therefore, there will not be a large number of antibody-positive people.
Combining the results of all investigations and tests, officials characterized it as an accidental incident.
Expanded:
p>Public **** health incidents, due to the diversity of causes, widespread dissemination and the complexity of the harm and other characteristics, not only affects people's health, but also bring panic and uneasiness, easy to detonate social opinion, affecting social stability.
The surging news on December 6 on the "Chinese Academy of Agricultural Sciences Lanzhou Veterinary Research Institute of suspected infection of brucellosis notification" news was released, attention to more than 40,000 people, commented on more than 4,000.
The number of discussion posts on Zhihu has been increasing, and many of them have thousands of supporters and participants. In addition to the media and netizens, many students, veterinarians, and medical personnel are also involved in the discussion. This is also a warning to the government and relevant organizations to maintain a high level of attention to the outbreak, make proper arrangements for infected people, and conduct wider screening and deployment of controls.
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