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China Daily, August 15, 2020. Junfu Zhao is a PhD candidate in economics at the University of Utah. Zhao can be reached at junfu.zhao [at] utah.edu. The author thanks Rudiger von Arnim, Minqi Li, and Han Cheng for their helpful comments. Following the Donald Trump administration’s publication of its 2017 National Security Strategy and 2018 National Defense Strategy that designated China as a strategic competitor, the tensions between the United States and China have been heightened, encompassing trade disputes, China’s economic regime and territorial sovereignty, conflicts over geopolitical influences, and even the portrayed confrontation between liberal democracy and authoritarianism. 1 The inauguration of the Joe Biden administration has not significantly changed U.S. foreign policy toward China. In his ....
Share SARS-CoV-2 is a coronavirus, so named because spike proteins on its surface give it the appearance of a crown (‘corona’). The spike proteins bind to ACE2, a protein receptor found on the surface of cells in our body. Both the spike protein and ACE2 are then cleaved, allowing genetic material from the virus to enter the host cell. The virus manipulates the host cell’s machinery to allow the virus to replicate and spread. As SARS-CoV-2 divides and replicates, errors in its genetic makeup cause it to mutate. Some mutations make the virus more transmissible or more infectious, some help it evade the immune response, potentially making vaccines less effective, while others have little effect. ....
University of Cambridge One of the key mutations seen in the ‘Alpha variant’ of SARS-CoV-2 – the deletion of two amino acids, H69/V70 – enables the virus to overcome chinks in its armour as it evolves, say an international team of scientists. SARS-CoV-2 is a coronavirus, so named because spike proteins on its surface give it the appearance of a crown (‘corona’). The spike proteins bind to ACE2, a protein receptor found on the surface of cells in our body. Both the spike protein and ACE2 are then cleaved, allowing genetic material from the virus to enter the host cell. The virus manipulates the host cell’s machinery to allow the virus to replicate and spread. ....
H69/V70 deletion in Alpha variant enables SARS-CoV-2 to overcome chinks in its armor news-medical.net - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from news-medical.net Daily Mail and Mail on Sunday newspapers.
Ritu Phogat stumbles to first MMA loss, out of One title shot Ritu Phogat stumbles to first MMA loss, out of One title shot Ritu Phogat lost her first professional MMA bout on Saturday to Bi Nguyen, by split decision. VCG/VCG via Getty Images In another couple of weeks, Ritu Phogat would have been up for one of the biggest challenges of her career - a bout against Bo Meng - her first fight in an eight fighter Grand Prix for the ONE Atomweight title. That title was to have been the culmination of a long standing goal for Phogat, but it will have to be put on hold now. ....