What happens when a person receives a vaccine?

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What does the COVID-19 vaccine do in your body?

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.

Can you get COVID-19 after being vaccinated?

Vaccinated people can still become infected and have the potential spread the virus to others, although at much lower rates than unvaccinated people. The risks of SARS-CoV-2 infection in fully vaccinated people are higher where community transmission of the virus is widespread.

How long after COVID-19 vaccine will side effects occur?

Most systemic post-vaccination symptoms are mild to moderate in severity, occur within the first three days of vaccination, and resolve within 1–3 days of onset.

How does the COVID-19 vaccine boost your immune system?

Vaccines work by stimulating your immune system to produce antibodies, exactly like it would if you were exposed to the disease. After getting vaccinated, you develop immunity to that disease, without having to get the disease first.

Do I need to wear a mask if I have been vaccinated for COVID-19?

On July 27, 2021, CDC released updated guidance on the need for urgently increasing COVID-19 vaccination coverage and a recommendation for everyone in areas of substantial or high transmission to wear a mask in public indoor places, even if they are fully vaccinated.

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Does the COVID-19 vaccine prevent transmission?

Evidence suggests the U.S. COVID-19 vaccination program has substantially reduced the burden of disease in the United States by preventing serious illness in fully vaccinated people and interrupting chains of transmission.

Can I get reinfected with COVID-19 after I have been vaccinated in Kentucky?

These findings suggest that among persons with previous SARS-CoV-2 infection, full vaccination provides additional protection against reinfection. Among previously infected Kentucky residents, those who were not vaccinated were more than twice as likely to be reinfected compared with those with full vaccination.

Is it normal to have side effects after second COVID-19 vaccine?

Side effects after your second shot may be more intense than the ones you experienced after your first shot. These side effects are normal signs that your body is building protection and should go away within a few days.

What are the side effects of the second COVID-19 vaccine?

The most common side effects after the second dose were injection site pain (92.1% reported that it lasted more than 2 hours); fatigue (66.4%); body or muscle aches (64.6%); headache (60.8%); chills (58.5%); joint or bone pain (35.9%); and a temperature of 100° F or higher (29.9%).