漯河中考补习专业提分快-【西安成才补习学校】，西安成才补习学校,西安中考补习学校提分快,阎良区全日制学校专业怎么办,碑林初三学校正规地方,阎良区高三补习学校专业,西安学校正规好吗,铜川高二民办高中
An mRNA vaccine carries an mRNA sequence that is coded for a viral-specific antigen. Once delivered into target cells, the antigen will be recognized by the immune system to generate responses to the virus. Compared with traditional vaccines, the development and production cycle of an mRNA vaccine is often shorter.
An aerial view of Baiyangdian Lake in Xiongan New Area, Hebei province. [Photo by Liu Dongyao/For China Daily]
An employee works at an aluminum foil manufacturing plant in Zhengzhou, capital of Henan province. [Photo/China Daily]
An entrance of the Mong Kok MTR station is set ablaze by rioters on Monday afternoon. [Photo/CHINA DAILY]
An employee of Lin'an Rural Commercial Bank counts banknotes at the bank's branch in Xitianmu area in Hangzhou, capital of Zhejiang province. [Photo by Hu Jianhuan/For China Daily]
来源：资阳报