COVID-19 Vaccine Resource Center

Get the facts about vaccine safety, how to get vaccinated in your state, and what to expect before and after your appointment. Getting your COVID-19 vaccine as soon as you’re eligible helps protect you and everyone around you, so we can all get back to normal faster.

Last updated April 15, 2021

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Latest COVID Vaccine Updates

April 15, 2021: Dr. Fauci says this is a pause and not a cancellation of the Johnson & Johnson COVID vaccine. It will likely last days to weeks to determine next steps. "I doubt very seriously if we're talking about weeks to months," he told CNN on Wednesday. 

April 13, 2021: CDC and FDA recommend US pause use of Johnson & Johnson's Covid-19 vaccine over blood clot concerns;  six reported US cases of a "rare and severe" type of blood clot caused the initial concern.

April 9, 2021: Just short of 20 percent of the U.S. population was fully vaccinated, giving some 66 million people a strong measure of protection against a disease that has already killed more than 500,000 Americans. (Washington Post)

April 6, 2021: Vaccination eligibility is opening up throughout the country. However, there are more people eligible for a vaccine right now than there are doses. Securing an appointment continues to be a long, difficult process for many. Here are 10 tips for getting a vaccine sooner →

April 6, 2021: President Joe Biden is expected to announce that states should open COVID-19 vaccine appointments to all U.S. adults by April 19, moving up his original deadline by nearly two weeks, White House Press Secretary Jen Psaki confirmed Tuesday.

April 3, 2021: Pfizer/BioNTech have announced their COVID-19 vaccine affords at least 6 months of protection following the second dose. The vaccine was 91.3% effective against COVID-19 in an analysis of 927 symptomatic people through March 13, as indicated by real-world data compiled since the vaccine was given emergency use authorization. This compares to 95% efficacy reported in the interim results that were announced on Nov. 18, 2020.

April 3, 2021: More than 100 million people in the U.S. have received at least one dose of a COVID-19 vaccine, the Centers for Disease Control and Prevention reported Friday. The news comes just two weeks after President Joe Biden announced he reached his 100-day goal of administering 100 million doses and expanded his goal to 200 million. As of Thursday, 157.6 million doses have been administered, according to CDC data. More than 200 million doses have been delivered to states and vaccine providers.

April 3, 2021: The Biden administration on Saturday put Johnson & Johnson in charge of a Baltimore manufacturing plant that ruined 15 million doses of its COVID-19 vaccine, and stopped the facility from making another vaccine developed by AstraZeneca.

April 3, 2021: More than 4 million doses of the coronavirus vaccine were administered in the past 24 hours, setting a new record and bringing the seven-day average over 3 million a day, the US Centers for Disease Control and Prevention reported Saturday.

April 2, 2021: Fauci said the United States has enough contracts with other vaccine makers to vaccinate its entire population, and may not need AstraZeneca Covid vaccine even for booster shots in the fall

April 2, 2021: A recent study of 131 women recently conducted by Brigham and Women's Hospital in Boston and published in The American Journal of Obstetrics and Gynecology shows the COVID vaccines are not only safe and effective for pregnant and breastfeeding women, they may also offer some protection for their babies.

March 31, 2021: Pfizer says its COVID-19 vaccine is safe and 100% effective in preventing the illness in ages 12 to 15 and plans to request emergency use authorization extending vaccine administration to the adolescent age group. 

March 31, 2021: Dr. Rochelle Walensky, director of the CDC: "Vaccinated people do not carry the virus — they don’t get sick.” Walensky was referring to a new CDC study that suggests those fully inoculated with the vaccines produced by Moderna and Pfizer don’t transmit the virus.

March 30, 2021: Ninety percent of Americans will be eligible for their shots by April 19, President Joe Biden said yesterday as he expanded the number of vaccine sites. More than a dozen states are opening vaccines to all adults this week.

March 25, 2021: Pregnant mothers pass COVID antibodies to their newborns.  A large study at Massachusetts General Hospital has determined that mothers pass COVID immunity to their children through the placenta and breastmilk. [harvard.edu]

March 11, 2021: As of March 13, CVS has added 12 more states to its list of pharmacies offering vaccinations. The new states are: Colorado, Illinois, Kentucky, Minnesota, Missouri, Montana, North Carolina, North Dakota, Nevada, Oklahoma, Utah and Vermont. After previously expanding to New York and Pennsylvania.

March 1, 2021: The FDA has authorized use of Johnson & Johnson's single-dose vaccine.

February 25, 2021: Pfizer expects to triple its vaccine production by mid-March.  An FDA advisory board will meet to determine whether to grant Johnson & Johnson an EAU.

Key facts about COVID-19 vaccines

Studies have shown that COVID-19 vaccines are safe to get and highly effective at preventing you from getting COVID-19. Even if you do get COVID-19, the vaccine prevents you from getting seriously ill. The more people that get vaccinated, the faster we can get back to normal life.

They’re safe

Rigorous clinical trials must show that vaccines are safe and effective before they’re authorized for public use. Millions of people have received COVID-19 vaccines, which have undergone the most intensive safety monitoring in US history.

They’re effective

All approved vaccines are proven to be highly effective at preventing COVID-19. Based on what we know so far, experts believe that all the approved vaccines will nearly 100% prevent serious illness and death. They may also help protect family, friends, and those around you.

They’re free

COVID-19 vaccines will be free for all Americans under the CARES act. The US government has already ordered and paid for hundreds of millions of COVID-19 vaccine doses using US tax dollars to ensure that everyone who wants one can get one.

Top vaccine myths

When deciding to get vaccinated, it’s important to separate fact from fiction.

The vaccines will not make you sick with COVID-19.

The vaccines do not have a microchip that will track you.

The mRNA COVID vaccines (Moderna and Pfizer) will not alter your DNA.

If you already had COVID-19, that does not mean you don’t need the vaccine.

How do I get a vaccine?

As COVID vaccines become more widely available, each state is determining their distribution plan based on availability and priority recommendations from the CDC. The US government has promised that all adults will be eligible for vaccination by May 1.

Select your state to find out who’s eligible now, who’s up next, and how to schedule an appointment:

COVID Testing is still important

If you have symptoms of COVID, you should still get tested. This is true even if you’ve been vaccinated, since the vaccines don’t offer 100% protection. Testing remains an essential part of getting back to normal.

Find a Test near you

What to expect on vaccination day

Because COVID-19 vaccines are new, you may have questions about what happens before, during and after your vaccine appointment. Here are some things you can do to prepare.

Before your vaccination:

During your vaccination:

After your vaccination:

Possible side effects

Vaccine side effects are normal, healthy signs that your body is building protection. Side effects are typically mild and go away in a few days. If you think you might be having a severe allergic reaction, seek immediate medical care by calling 911.

Side effects on your arm

  • Pain
  • Soreness
  • Redness, rash
  • Swelling

Tips to reduce arm discomfort

  • Apply cool, wet washcloth to the area
  • Use or exercise your affected arm

Side effects in your body

  • Tiredness
  • Headache, fever
  • Muscle aches
  • Chills

Tips to reduce fever discomfort

  • Drink plenty of fluids
  • Dress lightly

Life after vaccination

Congratulations! 2 weeks after your final vaccine dose, you’re considered fully vaccinated. That means you can start doing certain things you stopped during the pandemic. You should still take precautions in public, though, until scientists know more about how well vaccines prevent transmission to others.

What can I now do safely?

What safety measures should I continue taking?

What scientists are still learning

Vaccines are safe and effective, but there are still questions scientists are working to understand. We’ll keep you updated as we learn more.

  • How effective vaccines are against new variants of the virus.
  • How well vaccines keep people from spreading COVID to others.
  • How long vaccines will protect people from COVID.

COVID vaccine FAQs

Get answers to common questions about the COVID-19 vaccine.

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    When will I be eligible for the vaccine?

    All Americans over the age of 16 will be eligible for the vaccine by May 1, 2021. Most states have announced earlier dates by which vaccines will be available to adults. Check here to see when your state will open eligibility.

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    Will the COVID-19 vaccine be covered by my insurance?

    No fees will be charged to get vaccinated. You may be required to provide insurance information when you receive your vaccine. If there is a charge associated with administration of the vaccine, your insurance or the Health Resources and Services Administration's Provider Relieve Fund will compensate providers with no cost to you.

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    Do I need to be a US resident to receive the vaccine?

    Every adult over the age of 16 can receive the vaccine if they are eligible in their state. Proof of US residency will not be required in order to receive a COVID vaccine. Any personal information shared with vaccination centers can not be used for civil or criminal prosecution.

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    Will I be able to receive the vaccine if I’ve already contracted COVID-19?

    Yes, people who have had COVID-19 can still get the vaccine. The CDC recommends you wait 90 days after you have recovered to receive it.

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    Do I need to keep wearing a mask and social distancing after I have been vaccinated?

    For the most part, yes. Social distancing and masking policies are still in effect after you have been vaccinated. Gatherings of individuals who have been fully vaccinated for two weeks are now allowed, as well as gatherings of up to two unvaccinated households with no medically vulnerable members.

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    How many doses of the vaccine will I need?

    The Pfizer vaccine requires two doses administered 21 days apart. The Moderna vaccine requires two doses 28 days apart. The Johnson and Johnson vaccine will require only one dose.

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    Can I get the vaccine if I’m pregnant?

    Yes all three of the currently authorized US vaccines are available to pregnant individuals, however, the CDC recommends you have a conversation with your healthcare provider before being vaccinated.

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    What is an EAU?

    Normally, the U.S. Food and Drug Administration (FDA) puts products through rigorous testing and collects evidence to establish its efficacy and safety. During declared emergencies such as the COVID-19 pandemic, the FDA weighs the potential risks and benefits of approving a product quickly. An EAU (emergency use authorization) is issued only after the FDA, in consultation with a coalition of government health entities, determines that the benefits outweigh the risks.

Recognized health organization resources

For detailed, up-to-date information about COVID-19 vaccines visit these official health organization resources:

CDC for the latest on COVID Vaccines from the US government.

WHO for the latest on vaccines from the world health organization

NIH for the latest information on vaccine trials and research

The information on this site is for informational purposes only and is not intended to be a substitute for professional medical advice, diagnosis or treatment. For the latest information on the vaccines, please refer to the CDC at cdc.gov/coronavirus/2019-ncov/vaccines/index.html. In the event of a discrepancy between the information here and the CDC website, please follow the CDC guidance.

Resources to help you navigate the COVID vaccine