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关于COVID-19疫苗的流言和事实

关于COVID-19疫苗的流言和事实

Now that there are authorized and recommended COVID-19 vaccines in the United States, accurate vaccine information is critical and can help stop common myths and rumors.

How do I know which COVID-19 vaccine information are accurate?

It can be difficult to know which sources of information you can trust. Before considering vaccine information on the Internet, check that the information comes from a credible source and is updated on a regular basis. Learn more about finding credible vaccine information.

如果我将来想生孩子,接种COVID-19疫苗是否安全?

一个人在考虑备孕的图示

Yes. If you are trying to become pregnant now or want to get pregnant in the future, you may get a COVID-19 vaccine when one is available to you.

当前没有证据表明COVID-19免疫接种会导致任何妊娠问题,包括胎盘的发育。此外,没有证据表明任何疫苗的副作用之一为生育能力问题,包括COVID-19疫苗。

跟所有疫苗一样,科学家正在仔细研究COVID-19疫苗的副作用,并将继续对其进行多年研究。

COVID-19疫苗会改变我的DNA吗?

DNA链的图示

不会。 COVID-19疫苗不会通过任何方式更改您的DNA或与其产生相互作用。

There are currently two types of COVID-19 vaccines that have been authorized and recommended for use in the United States: messenger RNA (mRNA) vaccines and a viral vector vaccine. Both mRNA and viral vector COVID-19 vaccines deliver instructions (genetic material) to our cells to start building protection against the virus that causes COVID-19. However, the material never enters the nucleus of the cell, which is where our DNA is kept. This means the genetic material in the vaccines cannot affect or interact with our DNA in any way. All COVID-19 vaccines work with the body’s natural defenses to safely develop immunity to disease.

Learn more about how mRNA COVID-19 vaccines work. ​

Learn more about how viral vector vaccines work.

Can CDC mandate that I get a COVID-19 vaccine?

The federal government does not require vaccination for people.

No. The federal government does not mandate (require) vaccination for people. Additionally, CDC does not maintain or monitor a person’s vaccination records. Whether a state or local government or employer, for example, can require or mandate COVID-19 vaccination is a matter of state or other applicable lawexternal icon. Please contact your state government or employer if you have other questions about COVID-19 vaccination mandates.

接种COVID-19疫苗后,我的病毒检测结果是否会呈现COVID-19检测阳性?

COVID-19检测结果呈阳性的图示

No. None of the authorized and recommended COVID-19 vaccines cause you to test positive on viral tests, which are used to see if you have a current infection.​ Neither can any of the COVID-19 vaccines currently in clinical trials in the United States.​

If your body develops an immune response to vaccination, which is the goal, you may test positive on some antibody tests. Antibody tests indicate you had a previous infection and that you may have some level of protection against the virus. Experts are currently looking at how COVID-19 vaccination may affect antibody testing results.

COVID-19疫苗会使我患上COVID-19吗?

咳嗽时未遮掩口部的图示

No. None of the authorized and recommended COVID-19 vaccines or COVID-19 vaccines currently in development in the United States contain the live virus that causes COVID-19. This means that a COVID-19 vaccine cannot make you sick with COVID-19.

COVID-19 vaccines teach our immune systems how to recognize and fight the virus that causes COVID-19. Sometimes this process can cause symptoms, such as fever. These symptoms are normal and are signs that the body is building protection against the virus that causes COVID-19. Learn more about how COVID-19 vaccines work.

免疫接种后,人体通常需要几周时间才能建立免疫(抵抗导致COVID-19的病毒)。这意味着某人可能在免疫接种前后感染导致COVID-19的病毒并仍会因此患病。这是因为疫苗没有足够的时间提供保护。