【Today's Cover】
Xingkai Lake, a lake on the border between China and Russia, a scene of freezing snow and a spectacular scene of thousands of miles of ice. Photo by Song Chuanjun, Source: China News Network
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Image source: @Xinhua News Agency
● On the 19th, at the press conference of the joint prevention and control mechanism of the State Council, Wu Liangyou, deputy director of the Disease Control Bureau of the National Health Commission, said that recently, with the approval of the joint prevention and control mechanism of the State Council, the National Health Commission has begun to deploy a sequential strengthening of immunization. Sequential vaccination refers to the same vaccine of different technical routes of interval vaccination (alternating vaccination). (Source: Science and Technology Daily)
The scene of the press conference. Photo by Liu Yilin of People's Daily Network
●On the 19th, the Hohhot Municipal Center for Disease Control and Prevention has completed the sequencing of the virus genes of the first three confirmed case samples found in this round of the epidemic, and the sequencing results were reported to the Inner Mongolia Autonomous Region CDC and the China Center for Disease Control and Prevention for comparison, and the comparison results of the new coronavirus gene belonged to the Delta strain (AY.122 evolutionary branch), and no homologous sequence was found in the domestic local case and imported case databases. (Source: People's Daily)
Image source: China News Network
●On the evening of the 18th, the Mainland Mobile Nucleic Acid Test Truck assisted the Hong Kong SAR Government in the containment testing of Block 21 of Shek Kip Tail Estate for the first time. On the evening, the HKSAR Government issued a restriction and testing announcement and a mandatory testing announcement on persons in Block 21 of Sham Shui Po Shek Kiu Estate, who were required to remain in their premises and undergo compulsory testing. (Source: China News Network)
Pure technology
A glass ball discovered by the Jade Rabbit 2 lunar rover of the Chang'e-4 lunar mission. Image source: China Space Administration
● The research team led by Dr. Xiao Zhiyong of Sun Yat-sen University published a paper reporting that the Yutu 2 lunar rover found a transparent glass ball with a diameter of centimeters on the far side of the moon, which is the first time in the world. The study believes that under the action of high-speed impact, the rapid condensation of molten matter can form a large number of such transparent glass balls, which record important information about the impact process and impact history, and are ideal sampling targets for future lunar exploration missions. (Source: China Science Magazine)
Screenshots of web pages
●Recently, Zhu Jianwei, professor of the School of Pharmacy of Shanghai Jiao Tong University, the Engineering Research Center of Cell Engineering and Antibody Drugs of the Ministry of Education, joined hands with many universities, hospitals, centers for disease control and other units inside and outside the United Nations to screen and develop broad-spectrum neutralizing antibodies against the new coronavirus, and successfully screened out all-human neutralizing antibodies with strong affinity and high broad spectrum. The study was published in the latest issue of Cell Discovery. (Source: China Science Daily)
Look at the world
On February 18, 2021, at Wilkins Hospital in Harare, Zimbabwe's capital, Zimbabwe's vice president and health minister, Chiwenga, received the COVID-19 vaccine produced by China National Pharmaceutical Corporation. Photo by Xinhua News Agency reporter Zhang Yuliang
● Tedros Adhanom Ghebreyesus, director-general of the World Health Organization, announced on the 18th that Egypt, Kenya, Nigeria, Senegal, South Africa and Tunisia have become the first recipient countries of the "New Crown Vaccine Technology Transfer Center". South African collaborators involved in the transfer center project said that Africa's first indigenously developed mRNA covid-19 vaccine will soon begin clinical research. (Source: Xinhua News Agency)
Image source: Visual China
Recently, israel's Innovation Agency (IIA) and Ministry of Defense announced that they will invest about $62.2 million to develop the country's first quantum computer for research and development in academia, local high-tech industries and security institutions. Israel hopes to use this project to lay the foundation of quantum technology and build independent and autonomous quantum computing capabilities. (Source: The Paper)
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Photo by Xinhua News Agency reporter Xu Suo
●Recently, the Tai'an Taishan Bird Love Association and the Dongping County Bird Watching Association recorded more than 1,500 global critically endangered birds and national first-class protected wild animals - blue-headed diving ducks in the Dawen River and Dongping Lake in the Taishan area. Experts have confirmed that this group of blue-headed diving ducks is the largest single population recorded in China. (Source: XinhuaNet)
Watching the Winter Olympics
● On the 19th, the Chinese team Sui Wenjing / Han Cong won the gold medal in the figure skating pair skating competition at the Beijing Winter Olympics, which was the 9th gold medal of the Chinese team at the Winter Olympics. (Source: Science and Technology Daily)
Editor: Zhang Qiqi
Review: Julie
Final Judge: He Yi