What is the impact of the new coronavirus mutation in the UK on China's prevention and control?

10 days, the UK twice announced the discovery of a new coronavirus, raising concerns in Europe and around the world. Will the mutated virus spread around the world? What is the impact on China's epidemic prevention and control? Feng Zijian, deputy director of the China Center for Disease Control and Prevention, was interviewed by China News Agency on the 25th to answer this question.
confirmed the emergence of a new variant of the coronavirus on December 14, the British government announced on the 23rd, found another more contagious variant of the new coronavirus. It is reported that the latest detection of two cases of infection with the mutant new coronavirus have been exposed to confirmed cases from South Africa.
South Africa first reported the new variant on The Guardian on Monday, and although it is different from the new strain of the new coronavirus first discovered in the UK, it has a mutation called "N501Y", which could make the virus easier to spread.
The British Scientific Advisory Group on Emergencies estimated on the 23rd that the number of new coronavirus transmission R values are currently between 1.1 and 1.3, up from 1.1 to 1.2 last week. Mr Fung said the weekly incidence rate in the UK, particularly in the south-central part of the country, had increased by about three to four times in the last
weeks, and the proportion of new variants had risen significantly, suggesting that this could be linked to an increase in the ability of the new coronavirus to spread.
uk official statistics show that the country's new crown pneumonia cases have increased by 57% in the past week. 22 with 39,237 new confirmed cases in a single day since the outbreak began in the United Kingdom.
A link between the surge in confirmed cases and the mutant virus, Feng said that from a laboratory study, the available data in the UK showed that the ability of the mutant virus to bind to human subjects had indeed increased significantly, which would facilitate the spread of the virus in the population. On the other hand, the spread of the virus is also related to human behavior, whether to wear a mask, maintain social distance, pay attention to personal hygiene, etc. will have an impact.
extent of the increase in the "global" outbreak can be attributed to the variation of the virus and to changes in human behaviour, there is no way to distinguish. Feng Zijian said.
, Denmark, the Netherlands, Australia and other countries have found at least one confirmed case related to the latest variant of the virus, a week after the UK announced the discovery of the new coronavirus. The latest variant of the virus in the UK is from South Africa, raising concerns about whether it could spread around the world.
"there is such a risk. Even so, Mr Feng says, the public need not worry too much. Virus mutations are not unexpected. The World Health Organization has also earlier called for the UK not to be too alarmed by the emergence of a highly contagious new coronavirus variant, saying it has been evolving or mutating.
Feng Zijian believes that if the transmission rate of the mutant virus does increase, it will make epidemic prevention and control more difficult, the original more effective epidemic prevention measures need to be adjusted or further strengthened.
As far as China's current outbreak prevention and control, Feng Zijian said, from China's current virus sequence, whether it is imported personnel, goods or cold chain products, from various ways to obtain the virus, have not found a variant of the virus input.
but the situation is still serious, China's CDC on the one hand closely follow the United Kingdom and Europe, and even the global spread of mutated virus, on the other hand, to further examine the existing prevention and control measures.
virus mutation has also raised concerns about the effectiveness of nucleic acid testing reagents, Feng explained, and China's choice of two probes for nucleic acid testing does not contain a region of variation, so the virus can still be effectively detected. "The positions of the two probes are relatively conservative and there is currently no detection of reduced sensitivity."
In addition, China has accumulated a series of effective practices in the prevention of frozen food, transportation and certain non-cold chain goods abroad, including quarantine inspection after entry, disinfection of products, and enhanced protection and health monitoring of personnel exposed to imported goods and imported vehicles.
Recently, a number of new crown vaccines have been approved and began mass vaccination in many countries, the outbreak under the haze of this "cloud to see the day" action will be due to the mutation of the virus and once again overshadowed, become another focus of multi-party concern.
, Feng Zijian pointed out that there has been no detection of a mutant virus to make the vaccine insufferated. He said the world will be concerned about the virus mutation, the United Kingdom as the latest country of discovery of the mutated virus, will be developed in a week or two with the vaccine has been developed antibodies and the new variant of the live virus cross-combined tests to observe the change in vaccine effectiveness.