What are the side effects of the vaccine?

COVID-19 vaccination will help protect you from getting COVID-19. You may have some side effects, which are normal signs that your body is building protection. These side effects may affect your ability to do daily activities, but they should go away in a few days. Some people have no side effects.

Serious side effects that could cause a long-term health problem are extremely unlikely following any vaccination, including COVID-19 vaccination. Vaccine monitoring has historically shown that side effects generally happen within six weeks of receiving a vaccine dose. For this reason, the FDA required each of the authorized COVID-19 vaccines to be studied for at least two months (eight weeks) after the final dose.


Helpful tips:

According to the CDC if you have pain or discomfort you should talk to your doctor about over-the-counter medications, such as ibuprofen or acetaminophen. 

To reduce pain at the site of the shot you can apply a clean, cool and wet washcloth to the area. 

Call your doctor or healthcare provider if: 

  1.  The redness or tenderness where you got the shot gets worse after 24 hours. 
  2. Your side effects or worrying you or do not go away after a few days 

If you get a COVID-19 vaccine and you think you might be having a severe allergic reaction seek immediate medical care by calling 911.

Show All Answers

1. What are the benefits of getting the vaccine?
2. How do I sign up to get the vaccine?
3. Can children be vaccinated for COVID-19?
4. How many doses are needed?
5. What is a mRNA vaccine?
6. What are the side effects of the vaccine?
7. Is the vaccine safe?
8. Do people who get the vaccine still have to wear masks?

The following recommendations apply to non-healthcare settings. For related information for healthcare settings, visit Updated Healthcare Infection Prevention and Control Recommendations in Response to COVID-19 Vaccination.

Fully vaccinated people can:

  1. Participate in many of the activities that they did before the pandemic; for some of these activities, they may choose to wear a mask.
  2. Resume domestic travel and refrain from testing before or after travel and from self-quarantine after travel.
  3. Refrain from testing before leaving the United States for international travel (unless required by the destination) and refrain from self-quarantine after arriving back in the United States.
  4. Refrain from routine screening testing if feasible.

Infections happen in only a small proportion of people who are fully vaccinated, even with the Delta variant. However, preliminary evidence suggests that fully vaccinated people who do become infected with the Delta variant can spread the virus to others. To reduce their risk of becoming infected with the Delta variant and potentially spreading it to others: CDC recommends that fully vaccinated people:

Wear a mask in public indoor settings if they are in an area of substantial or high transmission. (To find out the current level of transmission in Riley County please visit the CDC COVID Data Tracker )

  1. Fully vaccinated people might choose to mask regardless of the level of transmission, particularly if they or someone in their household is immunocompromised or at increased risk for severe disease, or if someone in their household is unvaccinated. People who are at increased risk for severe disease include older adults and those who have certain medical conditions, such as diabetes, overweight or obesity, and heart conditions.

Get tested if experiencing COVID-19 symptoms.

If you came into close contact with someone with COVID-19 get tested 3-5 days after the date of your exposure and wear a mask in public indoor settings for 14 days after exposure or until a negative test result.

Isolate if they have tested positive for COVID-19 in the prior 10 days or are experiencing COVID-19 symptoms.

Follow any applicable federal, state, local, tribal, or territorial laws, rules, and regulations.

KDHE Advice About Masks