Information is taken from:

Vaccine Guideline

Basic information on vaccines and common symptoms after injection

As of 15 July, 15,836,992 people in Korea have received their 1st dose of vaccine and 6,183,732 people are fully vaccinated, having completed all doses of their vaccines. The reservation rate for persons aged 55-59 is currently 71.3%, with 700,542 people making appointments to be vaccinated. 


Sufficient vaccines are acquired for the entire population. Covid-19 vaccines introduced in Korea are two viral vector vaccines (AstraZeneca, Janssen), two mRNA vaccines (Pfizer, Moderna) and the acquisition of one recombinant vaccine (Novavax) has also been concluded. 

mRNA vaccines (Pfizer, Moderna) work by injecting Covid-19 surface antigen gene into the patient’s body in RNA form to induce immune reaction by creating surface antigen in the patient’s body, while Viral vector vaccines (AstraZeneca, Janssen) work by injecting Covid-19 surface antigen genes into another viral mold. 

Covid-19 vaccination is the most effective way to protect against Covid-19. Vaccines strengthen your immune system by training it to recognize and fight against specific viruses. Getting vaccinated protects yourself and helps protect the whole community. Covid-19 vaccines have proven to be safe, effective and life-saving. 

The table shows the key information regarding the vaccinations: 

 mRNA Vaccine Viral Vector Vaccine 
Producer Pfizer- BioNTech Moderna*AstraZenecaJanssen Johnson& Johnson
Vaccine name*ComirnatyKorea AstraZeneca Covid-19 Vaccine Covid-19 Vaccine Janssen
For ages16 and above 18 and above
Makeup Multi-dose vials
Number of doses (Interval) 2 doses, 21 days2 doses, 28 days 2 doses, 8-12 weeks  (recommended interval: 11-12 weeks)1 dose
Amount and method0.3 ㎖ diluted vaccine, muscle injection0.5㎖ muscle injection

Individuals cannot choose the type of vaccine they are to receive. 


  • Only healthy persons can receive the vaccine and one must be checked by a doctor beforehand. 
  • People with the following conditions should not take the vaccine: 
    • Those with severe allergic reaction (including anaphylaxis) to a prior dose of the vaccines or to any ingredients in the vaccine. 
    • Pregnant women 
    • Minors under 18
  • Individuals who suspect they have Covid-19 infection, individuals in quarantine and individuals with acute symptoms such as fever, should receive the vaccine only after they have tested and confirmed negative for Covid-19 or after  their symptoms have subsided. 


At home

  • One day before the vaccination day, check the text message regarding your vaccination appointment location and time. 
  • On the vaccination day itself, wear clothes which can easily expose the upper arm for injection. 
  • Before leaving your home, check your health condition. If you are having a fever, call the vaccination center directly to cancel or change your vaccination appointment. 
  • Please arrive at the vaccination center 30 minutes before your appointment time.

At the vaccination center

  1. Confirm your identity with your ID card (foreign registration card or passport), and vaccination appointment message.
  2. After taking your temperature, you will be led to the waiting room.
  3. At the waiting room, you will be given a vaccination report (pre-vaccination questionnaire) to fill in. Fill in the relevant details faithfully.
  4. Afterwards, you will have a pre-vaccination consultation with a doctor. The doctor will ask about and examine your health condition, and you can ask any questions you might have regarding the vaccination.
  5. Thereafter, you will go into the vaccination room to be inoculated.
  6. After being inoculated, move to the observation room and remain there for 15~30 minutes to observe that you do not show adverse reactions to the vaccine.

Back at home

  • If you do not show any adverse reactions, you will be able to go home. Go home immediately if possible, don’t stress your body and pay attention to your health for the next few days. 
  • Mark down your next inoculation date on the calendar. 


Immediately after receiving the vaccination

  • After receiving the vaccination, stay at the vaccination facility for 15-30 minutes to check for adverse reactions or serious side effects. 
  • Observe your health condition for at least 3 days after vaccination and seek medical attention if fever or other abnormal symptoms occur. 

Common symptoms after vaccination and how to respond to them 

Like all vaccines, the Covid-19 vaccine can cause side effects. Most side effects are mild or moderate and usually get better within a few days. The table shows some possible symptoms you could experience after receiving the vaccine and how to manage them:  

Common side effects What to do 
Pain, redness, swelling at the injection site Cold compress to the injection site, light arm exercises, and hydration
Fever, chillsPainkillers and fever-reducing medication.  Acetaminophen (Tyrenol) is recommended for it does not have effects on inflammation. 
Headache, muscle pain, joint pain 
Tiredness Rest 
Lymph node swelling at neck or arms Usually gets better by itself in a week or two 

However, if symptoms worsen or are severe, such as when 

  • There is high fever (over 39 degrees), nausea and/or vomiting 
  • The symptoms do not alleviate after several days
  • There are allergic reactions (rashes, swelling, etc.)
  • Common reactions disrupt daily life activities

Seek medical attention quickly. You may report to a local public health center or contact via the vaccination helper website (; currently in Korean only.) 

If you experience severe allergic reactions (anaphylaxis) with shock, difficulty breathing, edema on lips/mouth, loss of consciousness, immediately call emergency response (119) or visit a local emergency room. 

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