Can you be a carrier of COVID after vaccine?

In summary, the virus is changing and we are learning more about the new variants (including the now predominant delta variant) every day, but it is possible for someone who has been vaccinated to develop a breakthrough infection (with or without symptoms) and spread the virus.
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Can I pass COVID-19 to someone else if I've been vaccinated?


the CDC report released in late July made it clear that some vaccinated people can get Delta in a breakthrough infection—and may be contagious.
The CDC added that breakthrough infections “occur in only a small proportion of vaccinated people

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Will a person with COVID-19 vaccine have a positive antibody test?

A COVID-19 vaccination may also cause a positive antibody test result for some but not all antibody tests. You should not interpret the results of your SARS-CoV-2 antibody test as an indication of a specific level of immunity or protection from SARS-CoV-2 infection.
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Can breakthrough COVID-19 infections be transmitted to others?


SARS-CoV-2 is still easily transmitted With breakthrough infections, the viral loads are similar to those who are unvaccinated. That means such infections among fully immunized patients could be transmitted to others who are unvaccinated or have compromised immune systems.

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Could the COVID-19 vaccine protect me from spreading COVID-19?

Staying up to date with COVID-19 vaccination also means you are less likely to spread the disease to others and increases your protection against new variants of SARS-CoV-2, the virus that causes COVID-19.
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Can you transmit COVID after vaccination?



How does the COVID-19 vaccine help stop the spread of new strains?

As we vaccinate as many people as possible, as quickly as possible, we can stop the spread of the coronavirus. A reduction in transmission of the virus means fewer opportunities for it to mutate, which can help prevent the emergence of any other strains.
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What does the COVID-19 vaccine prevent?


Scientists are monitoring how long COVID-19 vaccine protection lasts. COVID-19 vaccines work well to prevent severe illness, hospitalization, and death. However, public health experts are seeing decreases in the protection COVID-19 vaccines provide over time, especially for certain groups of people.

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What does a breakthrough COVID-19 infection mean?


There's a small chance you could catch the coronavirus after you get the vaccine. You might hear this called “breakthrough COVID-19.” Some people who get a breakthrough infection have no symptoms and don't get sick. But a small percentage get ill, go to the hospital, or die from COVID-19.

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How does the CDC define breakthrough COVID-19 infections?

Breakthrough infections were defined as new cases among persons who were fully vaccinated on the day of specimen collection. Hospitalizations among persons with breakthrough infection were defined as new hospital admissions among persons fully vaccinated on the reporting day.
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Can you get long COVID-19 even if you were vaccinated?


Vaccination against COVID-19 reduces the risk of developing long COVID and improves long COVID symptoms among those who were unvaccinated when infected, according to a new comprehensive review by the U.K. Health Security Agency.

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Do COVID-19 antibody tests detect vaccine antibodies?

• Some antibody tests will only detect antibodies from infection, not from vaccination with the virus that causes COVID-19.
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What does a negative COVID-19 antibody test result mean?

A negative result on a SARS-CoV-2 antibody test means antibodies to the virus were not detected in your blood.

It is unknown if all people who have a SARS-CoV-2 infection will develop antibodies in their bodies in an amount that can be detected by a SARS-CoV-2 antibody test.

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Do vaccinated people who got COVID-19 have more COVID-19 antibodies?


Lab research suggests that people with hybrid immunity make higher levels of virus-fighting antibodies than people who've been either vaccinated or infected. Their antibodies are also more potent than those in people who've only gotten their initial COVID-19 vaccines.

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Do I need to wear a mask and avoid close contact with others if I am vaccinated against COVID-19?

Generally, if you are up to date on your COVID-19 vaccinations, you do not need to wear a mask in outdoor settings. Check your local COVID-19 Community Level for recommendations on when to wear a mask indoors and additional precautions you can take to protect yourself from COVID-19. If you are immunocompromised or more likely to get very sick from COVID-19, learn more about how to protect yourself.

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Can you be asymptomatic with COVID-19 infection if you have previously been vaccinated for COVID-19?


Indeed, it is possible that vaccinated people who get infected may easily remain asymptomatic or present with mild symptoms and thus go unnoticed.

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How long should I quarantine after COVID-19 exposure if I am vaccinated?


Quarantine: If you have received all vaccine and booster doses recommended by CDC, you do not need to quarantine. You should wear a well-fitting mask around others for 10 days from the date of your last close contact with someone with COVID-19 (the date of last close contact is considered day 0).

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Can you get reinfected with COVID-19?

Reinfections can and have happened even shortly after recovery, the researchers said. And they will become increasingly common as immunity wanes and new SARS-CoV-2 variants arise.

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Are symptoms different for breakthrough COVID-19?


The symptoms of breakthrough COVID-19 are similar to COVID-19 symptoms in unvaccinated people, but are generally milder. You may not notice any symptoms at all. If you are fully vaccinated and develop a fever, feel ill, or experience any symptom that is not typical for you, getting a COVID-19 test may be a good idea.

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What are some of the symptoms of the Omicron COVID-19 variant?


All of the variants, including delta and omicron, cause similar COVID-19 symptoms, including cough, fever and fatigue. There is some evidence that fewer people with omicron lose their taste and smell.

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How long does it take to develop immunity after a COVID-19 infection?

Although the immune correlates of protection are not fully understood, evidence indicates that antibody development following infection likely confers some degree of immunity from subsequent infection for at least 6 months.
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How long does it usually take for your body to build up immunity after having a full specific COVID-19 vaccination scheme?

It takes a couple of weeks for your body to build immunity after vaccination.
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How long does it take for antibodies to develop after exposure to COVID-19?


It can take days to weeks after an infection for your body to make antibodies.

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How do the COVID-19 vaccines actually work?

So, how do vaccines actually work? Basically, vaccines train the immune system to recognize dangerous pathogens, like SARS-CoV-2, preparing the body to fight an infection without having to get sick.
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Why do some people still get COVID-19 after being fully vaccinated?


Because vaccines are not 100% effective, as the number of people who are fully vaccinated goes up, the number of vaccine breakthrough infections will also increase. However, the risk of infection remains much higher for unvaccinated than vaccinated people.

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Why should I get vaccinated against COVID-19?


Why should I get vaccinated if I might get COVID-19 anyway? COVID-19 vaccination significantly lowers your risk of severe illness, hospitalization, and death if you get infected.

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