Monday, June 6, 2022

Understanding How COVID-19 Vaccines Work

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CDC Centers for Disease Control and Prevention CDC 24/7: Saving Lives, Protecting People
Coronavirus Disease 2019 (COVID-19)
June 6, 2022
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.
Masked patient receiving bandage.

Understanding How COVID-19 Vaccines Work


When germs, such as the virus that causes COVID-19, invade our bodies, they attack and multiply. This invasion, called an infection, is what causes illness.

Different types of vaccines work in different ways to offer protection. But with all types of vaccines, the body is left with a supply of “memory” T-lymphocytes as well as B-lymphocytes that will remember how to fight that virus in the future.

Sometimes after vaccination, the process of building immunity can cause symptoms, such as fever. These symptoms are normal and are signs that the body is building immunity.

Talk to a doctor about taking over-the-counter medicine, such as ibuprofen, acetaminophen, aspirin (only for people age 18 or older), or antihistamines for any pain and discomfort experienced after getting vaccinated.

COVID Rapid Test

Free COVID-19 Self-Tests


Residential households in the U.S. are now eligible for another order of free COVID-19 self- tests on USPS.com.
  • Each order now includes 8 rapid antigen COVID-19 tests
  • Your order will come in 2 separate packages (4 tests in each package), each with its own tracking number
  • Packages will ship free
Self- tests for COVID-19 give rapid results and can be taken anywhere, regardless of your vaccination status or whether or not you have symptoms.

They give your result in a few minutes and are different from laboratory-based tests that may take days to return your result.

Helpful videos to watch: 
Illustration of family with a child who is in a wheelchair.

Vaccination For Children Who Are Moderately or Severely Immunocompromised


Children ages 5 through 11 years who are moderately or severely immunocompromised should receive a total of 4 doses of Pfizer-BioNTech COVID-19 vaccine to stay up to date.

The 4 doses include a primary series of 3 doses, plus 1 booster (4th dose), given on the schedule shown below.

Primary series number of doses: 3 doses
Timing:
  • 2nd dose given 3 weeks (21 days) after 1st dose
  • 3rd dose given at least 4 weeks (28 days) after 2nd dose
Booster number of doses: 1 dose
Timing:
  • Given at least 3 months after 3rd dose
CDC does not recommend 2nd boosters for anyone in this age group at this time

CDC's COVID Data Tracker Weekly Review, Friday June 3, 2022 - Boosters for Children Ages 5-11 Years - Find the latest data in CDC's COVIDData Tracker Weekly Review - Subscribe: bit.ly/CDTsubscribe

COVID Data Tracker Weekly Review


Everyone ages 5 years and older in the U.S. is now eligible for a COVID-19 vaccine booster. Most children ages 5 to 11 years old should get their booster 5 months after they finish their initial vaccination series. 


COVID-19 Community Levels


CDC uses COVID-19 Community Levels to determine the disease’s impact on counties and recommend prevention measures.


CDC also tracks cases, laboratory tests, vaccinations, deaths, and other pandemic data and provides them on our COVID Data Tracker.



U.S. map showing COVID-19 Community Levels

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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CDC Recommends COVID-19 Vaccines for Young Children

This message includes updates on the COVID-19 response from CDC. This is a rapidly evolving situation and information will be updated as it ...