Monthly Archives: May 2025

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From May 7 to 13, a COVID-19 variant named KP2 was spreading all over the world. In early May this year, the World Health Organization (WHO) listed the KP2 subvariety as a surveillance variant.

MVK, head of COVID-19 technology in World Health Organization (WHO), said that KP2 is a descendant pedigree of JN1, while JN1 is the main strain in the world, and KP2 spike protein has an extra mutation. There are other emerging variants, JN1 continues to evolve, and we will continue to closely monitor the evolution of the virus.

According to the latest “epidemic situation of novel coronavirus infection in China in April 2023” released by the Chinese Centers for Disease Control and Prevention, no two mutants have been found in China. The report shows that from April 1 to April 30, 2024, 31 provinces (autonomous regions, municipalities directly under the Central Government) and Xinjiang production and Construction Corps reported a total of 11299 local cases of novel coronavirus genome effective sequences, all of which were Omicron mutants. The main epidemic strains were JN1 series variants, and the top three were JN1, JN14 and JN116.

On May 13, Zhao Wei, director of the Biosafety Research Center of the School of Public Health of Southern Medical University, told People’s Daily Health client reporter that considering that the infected people already had certain antibody levels and immune barriers, even if there were new mutants, the symptoms of the current variants are still mainly mild and asymptomatic infections. In addition, the emergence of new mutants indicates that novel coronavirus has not disappeared, and the virus is still mutating. from a clinical point of view, although the current mutants have increased the advantage of transmission, there is no difference between the clinical symptoms of the infected person and the previous strains. At present, there is no significant increase in pathogenicity, and the serious disease rate should not increase.

According to the picture, “the epidemic situation of novel coronavirus infection in China in April 2023”.

The KP2 mutant is a derivative of JN1. There is a point mutation of two amino acids on the outermost spike protein, resulting in increased infectivity, which may be the main reason why it has quickly become the mainstream mutant. Internationally, it has surpassed JN1 to become the main epidemic strain in some countries. Therefore, many people are worried about triggering a new round of infection peak, but it needs to be clear that as long as the pathogenicity does not increase significantly. You don’t have to worry too much for the time being. Zhao Wei explained.

According to the reporter, globally, the KP2 mutant has begun to spread in many countries around the world. According to the data released by the Centers for Disease Control and Prevention (CDC) on May 10, a COVID-19 mutant named KP2 has replaced JN1 as the main epidemic strain in the United States. On May 9, local time, GN reported that KP2 quickly dominated Canada. As of April 28, national data showed that KP2 accounted for 266% of all COVID-19 cases in Canada, more than other JN1 subvariants.

From the clinical observation, this mutant is still as contagious as other O mutants, but its pathogenicity is weak. At this stage, the emergence of new variants of the virus will not have a significant impact on everyone’s normal life, but there may still be severe cases for the elderly and people with low immunity, so remind these high-risk people to continue to pay attention to the information released by the relevant departments and do a good job of personal protection during the epidemic. Zhao Wei warned that it is still possible for the virus to mutate in the future to produce strains with more transmission advantages, and even do not rule out the emergence of strains with strong virulence, and it is necessary to continuously monitor virus changes and develop safer and effective vaccines. (People’s Daily Health client reporter Wang Aibing)

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According to Japan’s “Daily News” reported on March 19, Japan’s scallop exports have fallen into a difficult situation.

The report said that due to China’s long-term suspension of importing Japanese aquatic products, Japanese scallops are facing a difficult situation. Despite the efforts of the government and aquatic industry operators to expand export markets, Hokkaido, which accounts for 80% of Japan’s scallop production, has nowhere to export.

We plan to send Japanese companies to your country to inspect new scallop processing sites and hope to get the support of the minister. On March 1, Japanese Minister of Agriculture, Forestry and Fisheries Tetsuki Sakamoto raised the above hopes when he met with Mexican Minister of Agriculture and Rural Development Villalobos, who was on a visit.

The Japanese government is also looking for opportunities in Southeast Asia. In addition to exploring the possibility of establishing scallop processing sites in Vietnam and other countries, on February 19, Tetsushi Sakamoto also invited ambassadors to Japan from six ASEAN countries including Thailand to visit Toyosu Market in Jiangdong District, Tokyo to vigorously promote Japanese scallops.

Japan’s Ministry of Agriculture, Forestry and Fisheries stated that China has previously been Japan’s largest export destination of aquatic products, and scallop exports to China ranked first among all categories with 48.9 billion yen in 2022. Nearly half (1.43 million tons) of Japanese scallops exported overseas are sold to China. Among the 960,000 tons of shelled frozen scallops, 30,000 to 40,000 tons are processed in China and then exported to the United States.

However, in 2023, affected by the discharge of Japan’s nuclear-treated water into the sea, China dropped to third place in Japan’s aquatic products exports, and scallop exports to China dropped sharply by 44%. Even if Japan wants to process its own exports, it is limited by a shortage of manpower, and the United States does not allow the import of scallops with shells, causing scallop exports to be in trouble.

However, setting up a separate scallop processing site is not easy. In January this year, when the Japan External Trade Organization led a number of Japanese companies to inspect factories in Vietnam, they encountered a practical problem: how to process scallops that Americans like. According to reports, Americans like to use scallops to make teppanyaki, and the scallops are roasted. The volume will shrink, and Chinese companies have developed special technology to make them smaller and still meet the needs of American consumers. But the technology of Japanese and Vietnamese companies is not yet up to it.

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China-Singapore, Beijing, July 16 (Reporter Sun Zifa) Springer Nature’s professional academic journal “Nature Astronomy” recently published a planetary science paper saying that researchers have discovered a potentially accessible underground tunnel originating from an open pit on the moon. Evidence of tunnel. The results of this study have enhanced people’s understanding of lunar geology and may become an ideal location for a lunar base, thus potentially serving as a refuge in future manned missions on the lunar surface.

The paper said that more than 200 craters known as skylights have been discovered on the lunar surface, some of which were formed after the collapse of underground lava tubes. Accessible lava tubes or channels may provide a warmer environment than the lunar surface, but it has previously been uncertain whether they can lead to large underground caves.

In this study, co-authors of the paper, LC and LB of the University of Trento in Italy, and collaborators, analyzed radar data from the Lunar Reconnaissance Orbiter and found that radar brightness on the west side of the crater increased. Jinghai Crater is the deepest known crater on the moon, with a radius of approximately 100 meters, with vertical or overhanging walls and a sloping bottom.

The authors of the paper used radar images to conduct simulations and found that these observations could be explained by the presence of a cave void or pipe spreading from the west side of the bottom of the pit. They estimate that the pipeline is located at a depth of 130-170 meters, 30-80 meters long and about 45 meters wide. The cave may be flat or inclined at an angle of up to 45 degrees and may be accessible.

The authors concluded that the pipes or channels discovered in this study may be a common feature under the lunar plains, and that the Jinghai Pit and its channels may be an ideal site for a potential lunar base. The method used in the study may also be suitable for evaluating and characterizing other lunar craters to discover more channels.

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Sydney, March 11 (Reporters Liang Youchang and Wang Qi) Chinese Ambassador to Australia Xiao Qian said on the 11th that the current world’s major changes unseen in a century are accelerating and many challenges are emerging one after another. China-Australia cooperation is not only in line with the common interests of the two countries, but also conducive to peace, stability and prosperity in the region and even the world.

Xiao Qian delivered a speech when attending the 2024 Australia Financial Review Business Summit in Sydney that day, saying that China and Australia are both important countries in the Asia-Pacific region. The economic structures of the two countries are highly complementary and pragmatic cooperation is mutually beneficial and win-win. To achieve this goal, it is crucial to establish a correct understanding of each other, deepen practical cooperation, and properly handle differences.

Xiao Qian said that this year marks the 10th anniversary of the establishment of a comprehensive strategic partnership between China and Australia. The so-called comprehensive means that China-Australia relations are not just cooperation in the economic and trade fields, but cooperation in any potential field and level. The so-called strategy means that the importance of bilateral relations transcends bilateral relations and has regional and even global significance. The so-called partner means that China and Australia should become mutually trusting friends rather than enemies, partners rather than opponents.

Xiao Qian said that practical cooperation between China and Australia is very important to both countries. The two sides should continue to consolidate and deepen cooperation in traditional fields such as energy, mining, agriculture, education, and tourism, and expand cooperation in emerging fields such as climate change, electric vehicles, artificial intelligence, health industry, green economy, digital economy, and technological innovation. These will help China and Australia open a new chapter of broader and mutually beneficial cooperation on the basis of continuously consolidating cooperation in existing fields.

Xiao Qian pointed out that both sides should focus on the overall situation, focus on consensus, respect each other’s core interests and major concerns, and manage differences in a proper, mature and intelligent way through friendly communication and consultation.

The 2024 Australia Financial Review Business Summit will be held in Sydney from March 11 to 12. Government officials such as Australia Foreign Minister Wong Ying-hsien, Treasury Secretary Chalmers, as well as opposition leader Dutton, local business executives, experts and scholars attended the meeting to analyze and study the international situation, focus on Australia’s future development, and explore cooperative measures to respond to challenges.