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How to use CDC building recommendations in your setting Ventilation is one component of maintaining healthy environments, and is an...

What You Need to Know About COVID-19 Vaccination and Fertility COVID-19 vaccination is recommended for people who are trying to get ...

Limited, Temporary Impact of COVID-19 Vaccines on Menstrual Cycle There is limited research on COVID-19 vaccination and the menstrual ...

If you are moderately or severely immunocompromised (have a weakened immune system), you are at increased risk of severe COVID-19...

Medical Conditions The conditions on this list are in alphabetical order. They are not in order of risk. CDC completed a review for each...

If you test positive for COVID-19 and have one or more health conditions that increase your risk of becoming very sick, treatment may be...

Johnson & Johnson's Janssen In most situations, Pfizer-BioNTech or Moderna COVID-19 vaccines are preferred over the J&J/Janssen...

Know the Difference between a Vaccine Record and a Vaccine Card Vaccine Record (sometimes called immunization records) provide a history...

Some side effects are common after vaccination. They are a result of your body responding to the vaccine (it's also OK if you don't have...

Vaccine breakthrough cases (where someone becomes sick with the disease after being up to date on vaccinations) are expected and normal....

It takes about two weeks for your body to build up initial protection after your second dose of the Pfizer or Moderna vaccines or the...

Find COVID-19 Vaccines or Boosters Near You Find a COVID-19 vaccine or booster: Search vaccines.gov, text your ZIP code to 438829, or...

If you or your family member are at high risk for severe illness, wear a mask or respirator with greater protection in public indoor...

After getting a COVID-19 vaccine, you or your child should be monitored on site for at least 15 minutes. Learn more about COVID-19...

How and Why CDC Tracks How Well the Vaccines Are Working CDC continuously monitors vaccine effectiveness to understand how a vaccine...

COVID-19 vaccination is recommended for people who are pregnant, lactating, trying to get pregnant now, or who might become pregnant in ...

Find a Vaccine Vaccines are widely available. In many cases, you do not need an appointment. The federal government is providing COVID-19...

This section summarizes special considerations for COVID-19 vaccination of children and adolescents. Dosing and formulation Children...

Severe allergic reactions to vaccines are rare but can happen. If you get a COVID-19 vaccine and you think you might be having a severe...

We still have much to learn about the risks of COVID-19 for newborns of people with COVID-19, however we do know these facts: Although...