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All eligible childhood cancer survivors should get the COVID-19 vaccine — unless you are allergic to an ingredient in the vaccine or have another health condition that prevents you from being vaccinated.
COVID-19 vaccines help our bodies develop immunity to the virus that causes COVID-19.
There are 3 vaccines available. The CDC preferentially recommends receiving either the Pfizer-BioNTech or Moderna vaccine. But any available option is preferable not being vaccinated.
|Name of Vaccine||Number of Doses Required||Age Range|
|Pfizer-BioNTech||2 (21 days apart) for ages over 4 years
3 (first two 21 days apart and the third dose 8 weeks after the second dose) for ages 6 months to 4 years
|6 months and older|
|Moderna||2 (28 days apart)||6 months and older|
|Johnson & Johnson||1||18 and older|
It takes at least 2 weeks to develop full immune protection after getting your final dose of COVID-19 vaccine. You are considered fully vaccinated if it has been at least 2 weeks since your second dose of the Pfizer-BioNTech or Moderna vaccine or 2 weeks after 1 dose of the Johnson & Johnson vaccine.
Because protection after vaccination may decrease over time, you may also need a COVID-19 booster shot.
If you have a weak immune system, your doctor may recommend an additional dose of COVID-19 vaccine as part of your initial vaccination series.
Even after you get a COVID-19 vaccine, it is still important to take steps to protect yourself and others:
Reviewed: June 2022