句意:——我想知道中国科学家是如何研制出COVID-19疫苗的。——我不知道。让我们在网上查资料吧。考查交际用语。I have no idea.我不知道;You're welcome.别客气,不用谢;Don't mention it.不足挂齿,没关系;What a pity!真遗憾。由“Let's find the information on the Internet.”可知,答者不知道中国...
How Will the COVID-19 Vaccine Reach Developing Countries?Driscoll, SuzanneNeonatology Today
“After almost a whole year of Covid-19 ravaging the world, its impact has already been enormous”, says Borgos. “Pfizer and BioNTech are reporting 90% efficacy using their mRNA-based vaccine. This result is much better than most people dared hope, and it helps to boost our faith in ...
Patients who recover from COVID-19 make antibodies to the virus that may impart immunity for at least 6 months; however, breakthrough infections do occur and may be more likely with newly circulating variants of the virus. Immunizing with the latest recommended COVID-19 vaccine can help to ...
Your immune system also has a pretty good memory, so it will spring into action again should you ever become exposed to the real virus. Every vaccine is different, and it's not clear how long immunity for a COVID-19 vaccine may last. But the benefit of a vaccine is that it gets ...
How quickly COVID-19 vaccine production can ramp up will depend on “technology transfer”—the capabilities and processes that can speed vaccines from development to manufacturing. Are we ready?
As soon as the genetic composition of a new virus has been mapped, we can code its key components to make synthetic mRNA, which we then introduce into the body in the form of a vaccine. In this case, we use it against COVID-19. ...
BEIJING, Jan. 30 (Xinhua) -- As the coronavirus wreaks havoc on the world, vaccine has become a hope for humanity to conquer the pandemic. Have a glimpse of production process of China's inactivated COVID-19 vaccine. The production of inactivated vaccine contains six steps: cultivation, inac...
They have also discovered there are three distinct family trees of COVID-19, a discovery which could help doctors find a vaccine for the pandemic-causing disease. COVID-19's journey across the world mapped by scientists Along with how it spread, and how COVID-1...
Young infants under the age of six months are not currently included in thevaccineclinical trials, but antibodies produced by mothers fromvaccination in pregnancycan be passed on through the placenta to provide protection from COVID-19 during the first few months of life. ...