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...
When you get the vaccine shot, what you’re noticing in the first day or two is part of the innate immune response: your body’s inflammatory reaction, aimed at quickly clearing the foreign molecules that breached your body’s perimeter. It varies from person to p...
This is not all the information you need to know about the flu vaccine for safe and effective use and does not take the place of your doctor’s directions. Review the full product information and discuss this information and any questions you have with your doctor or other health care provid...
Afurther concern was raised in January, after the death of 30 very frail elderly patients in Norway after receiving the Pfizer-BioNTech COVID-19 vaccine. Butinvestigation by the European regulatorconcluded these weren't related to the vaccine, but rather to underlying conditions present before vacci...
How long are you contagious with COVID-19? How long to quarantine after a positive COVID-19 test? How long do COVID-19 symptoms take to show? Can dogs and other pets get COVID-19? How long does the COVID-19 vaccine last?
If someone gets a headache or feels a bit under the weather after receiving a COVID-19 vaccine, it's become common to hear them say something like "Oh, it just means my immune system is really working hard." On the flip side, when people don't notice any side effects, they sometimes...
Vaccine research involving people with HIV mostly looks good so far, but some individuals are at risk for poorer response, including those who are not benefiting from antiretroviral treatment. “Vaccines remain the most important intervention for preventing morbidity and mortality from COVID-19, includ...
Pfizer has recently announced that it is ready with a Covid-19 vaccine that is 90 percent effective. The vaccine is a so-called mRNA vaccine that has been developed jointly by Pfizer and BioNTech. But what is mRNA technology, and how does it work?
Now that COVID-19 vaccination campaigns are underway in many countries, concerns have emerged about the availability of stock, the timing of deliveries, and the potential for thousands of vaccines to be wasted at each stage of the supply chain.
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 ...