On the evening of December 15, the National Bureau of Disease Control and Prevention issued a report on the new coronavirus1 Variant related Q&A, since the first discovery of local JN. in NovemberSince the 1 variant, as of December 10, a total of 7 cases of JN have been monitored in China's local cases1 variant. 
2. Internationally JN1. What is the current situation of the variant? Since November of this year, jnThe share of the 1 variant in the global circulating strain has increased rapidly, from about 4% in early November to about 30% in early December. As of 10 December, JN has been detected in at least 40 countries and territories around the world1 variant. In terms of distribution, Europe accounts for the highest proportion, and the Americas and other continents have JN1 The proportion of variants is also growing rapidly. Third, jn began to become popular in our country1 variant? The main circulating strain in China at this stage is still eg5 and its subclades. Native jn. was first discovered in November1 variant since,As of December 10, a total of 7 cases of JN have been detected in China1 variant. Although the current jnThe prevalence level of the 1 variant in China is very low, but it is subsequently affected by international epidemic strains and imported casesjn. is not excluded1. The possibility that the variant will become the dominant epidemic strain in China. Fourth, jnAre 1 variants spreading faster? Judging from the flow of various countries, the recent jnThe 1 variant is growing rapidly in several countries, but studies have shown that in terms of transmission1 There is no significant difference with the XBB variant. The World Health Organization reports that it contains XBB1.The 5-ingredient coronavirus vaccine is still against jn1 variant is effective. Therefore, on the premise that the population is broadly immune to the Omicron variant, including vaccination and natural infection, jn1 Variants may be relatively transmissible. 5. Infection of JN1Will the symptoms be more severe after the variant? The World Health Organization evaluation includes jn1 including BA2.The risk of severe clinical infection of the 86 variant is low. U.S. monitoring data shows that jnThe 1 variant has recently increased the proportion of new coronavirus infections in the United States, and no cases have been found to cause infection1. When the severity of the disease increases after a variant. China's monitoring data shows that jn1. Variant infections are mild or asymptomatic. The symptoms caused by different variants tend to be similar, and the type and severity of symptoms often depend more on an individual's immunity. Based on the available evidence, JnThe public health risk of the 1 variant is low.
Sixth, how to prevent and control JN1 variant. As with the prevention of infection with other Omicron variants, it is recommended that the public continue to maintain good personal hygiene Xi, wear masks scientifically, get vaccinated in time, adhere to regular work and rest, ensure a healthy diet, and improve immunity. Expert: No need to worry about jn1According to a previous report, on December 8, local time, the official website of the U.S. Centers for Disease Control and Prevention (CDC) for the first time will be jn1 Separately included in the new crown nowcast, called JN1 is currently the fastest-growing COVID variant in the United States. The coronavirus surveillance data of European countries also show jn1 Variant infections are gradually becoming dominant and showing an upward trend. As of mid-November, there had been exponential growth in several European countries, including Ireland, Iceland, Portugal, Spain and France, particularly in Denmark, where infection with the variant had covered 50% of the population. Lu Hongzhou, deputy secretary of the Party Committee and president of the Third People's Hospital of Shenzhen, told reporters that since December last year, the new coronavirus and other respiratory pathogens have been in a state of co-epidemic in China, and domestic residents have generally experienced two or even three infections. Existing research data suggest that:Such an experience of infection allows infected individuals to produce strong and broad-spectrum neutralizing antibodies against different submutant strains of Omicron. Jin Dongyan, a professor and microbiologist at the Li Ka Shing Faculty of Medicine at the University of Hong Kong, also saidThe public needs not worry about jn1. It is unlikely to cause a major epidemic on a global scale. "A basic rule is that the variations produced by the current variants are all small mutations (in technical terms, drift), not large changes (in technical terms, transformations). After the 'tsunami' of the new crown epidemic, data from countries and regions around the world that are closely monitored show thatGlobalThere have been waves of infections caused by several different variants, but none have caused major outbreaks.
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