April22In the morning, the Japanese encephalitis prevention and control exchange meeting sponsored by Guangdong Preventive Medicine Association was held in Guangzhou. On the same day, Japanese encephalitis pre-filled inactivated vaccine was officially launched in Guangdong.

Zheng Huizhen, chief disease control expert of the Provincial Preventive Medicine Association, introduced at the exchange meeting that epidemic encephalitis B is an acute infectious disease of the central nervous system caused by the Japanese encephalitis virus, which is mainly transmitted by mosquitoes,5-9The month is the peak of the incidence in Guangdong, and there are still sporadic cases every year. At present, JE vaccination is still the most effective means of prevention and control of JE.

Guangdong is about to enter the peak of the disease.  

Vaccination can effectively prevent Japanese encephalitis

Epidemic encephalitis B is one of the infectious diseases announced by the World Health Organization that need high priority prevention.

Zheng Huizhen said that the disease has a high incidence, mortality and disability rate. Our country used to be a big country with encephalitis B,20Century50Age,60Age and70In the early 1990 s, there was a pandemic of Japanese encephalitis, among which1971The number of annual disease reached17Ten thousand people, the fatality rate reached25%It seriously endangers public health.

Mosquitoes are the main route of transmission of Japanese encephalitis virus. Zheng Huizhen introduced that although the current overall epidemic level of Japanese encephalitis in Guangdong is low,5-9After the monthly hot weather and the increase of mosquitoes, Guangdong will still usher in the annual peak of incidence, with some sporadic cases.

Wang Ming, a disease control expert in Guangzhou, said vaccination can effectively prevent Japanese encephalitis virus infection.2007After the Japanese encephalitis vaccine was included in the national immunization program, children could receive live attenuated Japanese encephalitis vaccine free of charge, or they could receive inactivated Japanese encephalitis vaccine at their own expense. Since then, the incidence and death of Japanese encephalitis in China have been controlled at a historically low level. He called on parents to still actively vaccinate their children against Japanese encephalitis.

In addition, Zheng Huizhen reminded that for adults, the recessive infection rate of Japanese encephalitis virus is high, and there are many mosquitoes in the south. Many adults in Guangdong who have not been vaccinated against Japanese encephalitis virus in childhood are likely to have been infected with Japanese encephalitis virus and produce antibodies. Now there is no need for supplementary vaccination, "but for adults who have just come to Guangdong from the east, west and north and west and have not been vaccinated, perhaps mosquitoes were rarely bitten before, and Japanese encephalitis was transmitted by mosquitoes. It is suggested to supplement Japanese encephalitis vaccine."

"Upgraded" Inactivated Vaccine Safer  

Recommended vaccination for special groups of children

Wang Ming introduced that the current live attenuated Japanese encephalitis vaccine that can be vaccinated free of charge is contraindicated for a small number of special children due to ingredients and other reasons. It is not recommended to be allergic to antibiotics, have immunodeficiency, low immune function, or are receiving immunosuppressive treatment. Children are vaccinated.

"In order to ensure the safety of these children with special health conditions, we recommend that they receive inactivated vaccines at their own expense." Hu Dandan, a doctor at the special needs population vaccination clinic of Guangzhou Women and Children's Medical Center, said that the inactivated Japanese encephalitis vaccine is a necessary supplement to the live attenuated Japanese encephalitis vaccine and can provide a safer vaccination option for children, especially children with special needs.