Skip to main content
. 2024 Apr 10;12(4):400. doi: 10.3390/vaccines12040400
Question Numer Questions Conditions↑
P1 Did you experience any side effects from the fourth dose of the COVID-19 vaccine?
(Yes/No)
P2 Did you have any local reaction in the area of your arm where you received the fourth dose of the COVID-19 vaccine?
(Yes/No)		 P2 = “yes”
P3 Which of the following local reactions did you have in the arm where you received the fourth dose of the COVID-19 vaccine? (multiple choice)
  • -

    Pain in the injection area.

  • -

    Swelling in the injection area.

  • -

    Swelling in the armpit, close to the injection area.

  • -

    Another reaction (Free Written Response)

 P2, P3 = “yes”
P4 Did you have any local reactions in the rest of your body after the fourth dose of the COVID-19 vaccine?
(Yes/No)		 P2 = “yes”
P5 Which of the following adverse events did you experience in the rest of your body after being vaccinated with the fourth dose of the COVID-19 vaccine? (multiple choice)
  • -

    Fatigue

  • -

    Headache

  • -

    Muscle pain

  • -

    Fever higher than 38 °C

  • -

    Fever less than 38 °C

  • -

    Nausea or vomiting

  • -

    Diarrhea

  • -

    General discomfort

  • -

    Widespread rash

  • -

    Rash on the face

  • -

    Chest pain

  • -

    Irregular pulse

  • -

    Difficulty breathing

  • -

    Other reaction (Free Written Response)

 P2, P3 = “yes”
Q6 How many days after the administration of the fourth dose of the COVID-19 vaccine did the adverse reactions persist?
  • -

    One day

  • -

    Two days

  • -

    Three days

 P2 = “yes”
Q7 Did you seek medical attention for one or more of the adverse effects?
(Yes/No)		 P2 = “yes”
Q8 Several months ago, you received the third dose of the COVID-19 vaccine, did you experience any adverse effects after the administration of the third dose of this vaccine?
  • -

    Yes

  • -

    No

  • -

    I don’t remember
Q9 How would you summarize your feelings in the days after receiving the fourth dose of the vaccine, compared to the days after receiving the third dose of the COVID-19 vaccine?
  • -

    I feel better now

  • -

    I feel similar

  • -

    I feel worse now

  • -

    I don’t remember
Q10 Did you get your flu vaccine on the same day you were inoculated with the fourth dose against COVID-19?
(Yes/No)
              ↑ To answer the question you must have answered affirmatively the “condition questions”.