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What are the side effects for the Pfizer and Moderna booster shots?

Booster shots are approved for all. So what are the side effects?

SHARE What are the side effects for the Pfizer and Moderna booster shots?
A vial of the Moderna COVID-19 vaccine in Denver.

A doctor vaccinates a student with the Moderna COVID-19 vaccine.

David Zalubowski, Associated Press

All American adults became eligible for the COVID-19 booster shots last week after both the Centers for Disease Control and Prevention and the Food and Drug Administration approved the shots.

What are the Pfizer COVID-19 vaccine booster side effects?

  • In September, the Food and Drug Administration released data from Pfizer that explained some of the side effects from those who received the booster shot in a trial. The data found 63.7% had fatigue, 48.4% suffered from headaches and 39.1% felt muscle pain.

Most symptoms were mild or moderate, as I wrote for the Deseret News. However, Pfizer said that 44 booster recipients out of 306 had at least one unexpected side effect, according to CNBC

What are the Moderna COVID-10 vaccine booster side effects?

The FDA said that the side effects from the third shot will be similar to that of the initial dosage, per Fortune. Those symptoms include:

  • Muscle and joint aches.
  • Swelling or soreness at the injection site.
  • Fatigue.
  • Headache.
  • Chills or fever.
  • Swollen lymph nodes.

Any other COVID-19 vaccine booster side effects?

The U.K.’s National Health Services said there are a number of symptoms you might experience from the booster shot, including:

  • A sore arm at the injection site.
  • Feelings of tiredness, fatigue.
  • Headache.
  • Body aches.
  • General sickness.