The Ministry of Health issued an evaluation report on the epidemic situation of Streptococcus suis in Sichuan Province

Introduction: the Ministry of health and the Ministry of Agriculture released the assessment report of Streptococcus suis epidemic situation in Sichuan Province on Monday Up to 12:00 on August 20, 204 cases of human Streptococcus suis infection were reported in Sichuan Province, including 38 deaths, 146 cured and discharged, and 20 hospitalized cases The cases were distributed in 12 cities, 37 counties (cities, districts), 131 towns (streets) and 195 villages (neighborhood committees)
The outbreak began in late June Since July 16, the incidence of Streptococcus suis has increased significantly, peaked on July 22, stabilized at a high level from July 19 to 25, declined on July 28, and declined significantly since August 1 After August 4, there are no new cases In Sichuan Province, swine streptococcosis has occurred in 8 cities, 21 counties, 88 towns and 149 villages, including Ziyang, Neijiang, Chengdu, Mianyang, Zigong, Luzhou, Nanchong and Deyang 647 pigs died From June 24 to July 20, the number of infected dead pigs reached a peak, then the number decreased rapidly, and the epidemic situation showed a rapid downward trend
Up to now, there have been 16 consecutive days of no new human cases and 13 consecutive days of no new animal cases in Sichuan Province Among them, Ziyang City, which has the most serious epidemic situation, has 25 consecutive days of no new human cases and 23 days of no new animal cases, all of which have exceeded one incubation period The epidemic situation has been basically controlled Streptococcus is a kind of conditional pathogen, which has many kinds and widely distributed in nature and pig population The international academic circles generally think that the carrier rate of pig population is as high as 30-75%, and even Streptococcus suis type 2 is relatively common, but it is not necessarily caused Stressors such as high temperature and humidity, climate change and poor sanitation in the enclosure can induce Streptococcus suis In recent years, swine infection and death have been reported in Europe, America and Asia Streptococcus suis is classified as the second animal disease in China Since the founding of the people's Republic of China, the epidemic has happened successively in Guangdong, Jiangsu and other provinces In 1998, Streptococcus suis type 2 epidemic occurred in Nantong City, Jiangsu Province, China, which resulted in death
In late June this year, after the outbreak of Streptococcus suis in some areas of Sichuan Province, under the correct leadership of the Party Central Committee and the State Council, the Ministry of health and the Ministry of agriculture attached great importance to and closely cooperated with each other, studied and deployed various prevention and control measures in time, and assisted the Sichuan provincial government in the prevention and control work The Party committee and government of Sichuan Province and other relevant regions acted quickly, initiated the emergency mechanism, implemented the prevention and control measures in accordance with the emergency plan, and effectively controlled the spread and spread of the epidemic.