What are the side effects of Covid-19 vaccines?

COVID-19 Side Effects - Should I Be Worried?
COVID-19 Vaccine Side Effects - Should I Be Worried
COVID-19 Side Effects - Should I Be Worried?

Side effects vary depending on the individual and the vaccine. Many people may have mild side effects. The most common include pain or redness at the site of the injection, fatigue, headache, muscle ache, fever, and chills. Most let up within a day. Clinical trials of both the Pfizer and Moderna vaccines had low numbers of people experiencing severe side effects. You can read more about reported side-effects of the Johnson & Johnson vaccine here.

Check out the Centers for Disease Control and Prevention (CDC) website for more details.

Researchers will continuously follow vaccinated people for the appearance of any long-term side effects. There are multiple vaccine safety systems in place in the United States for all vaccines. These systems will be used to monitor the safety of Covid-19 vaccines.

Related Questions
Have vaccine side effects resulted in any deaths?
Reports of life-threatening reactions resulting from the side effects of Pfizer-BioNTech, Moderna, and Johnson & Johnson vaccines are extremely rare. Still, it's important to address any concerns people may have.
Can groups, businesses, or organizations require that I get vaccinated?
The right to require Covid-19 vaccination in places of business, entertainment, and education ultimately depends on state or local law. So be sure to check requirements specific to your area.
Are Covid-19 vaccines safe for children?
The FDA has authorized the use of Pfizer-BioNTech's vaccine for children 12 years and older. FDA’s authorization was based on data showing the vaccine is safe and effective in this age group. Pfizer-BioNTech's vaccine has been through extremely tough safety tests, which includes continuing scientific studies in children and teenagers.