Monday, January 11, 2021

What to Expect After Getting a COVID-19 Vaccine

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Coronavirus Disease 2019 (COVID-19)
January 11, 2021
This message includes updates on the COVID-19 response from CDC. The COVID-19 Outbreak is a rapidly evolving situation and information will be updated as it becomes available.
Cases are rising. Act Now! Wear a Mask Stay Six Feet Apart Avoid Crowds

What to Expect After Getting a COVID-19 Vaccine

COVID-19 vaccination will help protect you from getting COVID-19. You may have some side effects, which are normal signs that your body is building protection. These side effects may affect your ability to do daily activities, but they should go away in a few days. If you have pain or discomfort, talk to your doctor about taking an over-the-counter medicine, such as ibuprofen or acetaminophen. Common side effects include pain and swelling in the arm where you receive the shot. 

Graphic showing multiple methods for ventilating your home, including bringing in outdoor air, filtration, and exhaust fans.

Improving Ventilation in Your Home

Staying home with only members of your household is the best way to keep COVID-19 out of your home. However, if a visitor needs to be in your home, improving ventilation (air flow) can help prevent virus particles from accumulating in the air in your home. Good ventilation, along with other preventive actions, can help prevent you from getting and spreading COVID-19. There are ways you can improve ventilation in your home. Use as many ways as you can (open windows, use air filters, and turn on fans) to help clear out virus particles in your home faster.

  • Bring as much fresh air into your home as possible.
  • Filter the air in your home.
  • Turn on the exhaust fan in your bathroom and kitchen.
  • Use fans to improve airflow.
  • Limit the number of visitors inside your home.

Concept illustration of SARS-CoV-2 or 2019-ncov coronavirus

New COVID-19 Variants

Information about recently discovered COVID-19 variants is rapidly emerging. Scientists are working to learn more about how easily they might spread, whether they could cause more severe illness, and whether currently authorized vaccines will protect people against them. At this time, there is no evidence that these variants cause more severe illness or increased risk of death. CDC, in collaboration with other public health agencies, is monitoring the situation closely.

Coronavirus Disease 2019 (COVID-19) in the U.S.

January 11, 2021

In the United States, there have been 22,322,956 confirmed cases of COVID-19 detected through U.S. public health surveillance systems in 50 states and the District of Columbia, Puerto Rico, Guam, the Northern Marianas Islands, and U.S. Virgin Islands.


CDC provides updated U.S. case information online daily.


In addition to cases, deaths, and laboratory testing, CDC’s COVID Data Tracker now has a Vaccinations tab to track distribution of COVID-19 vaccines in your state.

This map shows COVID-19 cases reported by U.S. states, the District of Columbia, New York City, and other U.S.-affiliated jurisdictions

Centers for Disease Control and Prevention

1600 Clifton Rd   Atlanta, GA 30329   1-800-CDC-INFO (800-232-4636)   TTY: 888-232-6348
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This message includes updates on the COVID-19 response from CDC. This is a rapidly evolving situation and information will be updated as it ...