Health authorities recommend getting your flu shot and COVID-19 boosterat the same time.
But should you get the two vaccines in the same arm?
So he asked for the booster in his non-dominant arm, and the flu shot in the other.

Verywell Health / Photo Illustration by Zack Angeline / Getty Images
Injection site soreness or pain can be triggered by both the needle and the vaccine antigen.
When vaccine antigenis added to the pinch, it is often recognized and picked up by thelymphatic system.
The lymph nodes near the inoculation site may then swell or feel tender to touch.
Do Higher-dose Flu Shots Hurt More?
The CDCrecommendsthat adults 65 or older get a flu shot with a higher dosage than younger adults.
However, they were mostly mild and resolved within a few days.
He added that regardless of age, people should still get both shots at the same appointment.
With vaccines, it takes about two weeks for people to get fully protected, Sylvester said.
To dull the intensity of injection-site side effects, you may want to get the shots in different arms.
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Centers for Disease Control and Prevention.Administer the vaccine(s).
Centers for Disease Control and Prevention.Adjuvanted flu vaccine.