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 long is your COVID vaccine good for?Until recently, it’s been nearly impossible to say. Immunity, whether from vaccine or prior infection, is thought to wane after three or four months, but it varies by person. That knowledge is based on what’s known abou...
Flu vaccination typically reduces the risk of flu illness by between 40% and 60% during seasons when the flu viruses are well-matched to the flu vaccine. But if you are infected with the virus, the vaccine reduces your chances of getting the flu and passing it on to others, and lessens ...
How long after having COVID can you get the booster? "In general, it is a good idea to wait about three months after having documented COVID before getting the new vaccine," advises Dr. Sellick. Everyone is different, but the antibodies from the natural infection will likely persist for ...
How long does the COVID-19 vaccine last? It is difficult to say how long the COVID-19 vaccines last, with variability between the different vaccines available, new virus variants, how each person responds to the vaccine and whether the full primary vaccine course and booster doses have been...
That's because it will take more than a year before a vaccine can be developed and deployed, according to researchers working to develop a treatment for COVID-19. "The vaccine is critical, because, until you have that, things aren't really going to be normal," the billionai...
How Will the COVID-19 Vaccine Reach Developing Countries?Driscoll, SuzanneNeonatology Today
One thing that feels unique about the COVID vaccine though as compared to, say, theflu shot, is that two doses are required before the vaccine process is complete. So why do we need two doses of the COVID vaccine, and what does the timeline between each shot actually look like?Parade...
Not only does a push for a chickenpox vaccine protect a child and his or her classmates, it can also protect grandparents who may not have had chickenpox. Protecting the elderly is also the idea behind another vaccination that many of us line up for each winter: the flu shot. Between 12...
that it works using genetic code”, says Research Scientist Sven Even Borgos at SINTEF. “This means that the vaccine instructs the body to make small and accurately selected components of the virus. The recipient then develops antibodies against the virus that causes Covid-19”, he explains....