The purpose of this study is to understand the safety of Prevenar 20 (Pneumococcal 20-valent conjugate vaccine) once it is out in the Korean market. Prevenar 20 will be given to participants aged 6 weeks or older in Republic of Korea. This study is seeking for participants who are: * Infant, children and adolescents aged 6 weeks to under 18 years or adult who are 18 years or older * Prescribed Prevenar 20 by their physician as per approved product label All participants in this study will receive Prevenar 20 vaccine. 1 dose (0.5 mL) of Prevenar 20 will be given into a muscle, preferably to the shoulder muscle. We will look at the experiences of people receiving the study medicine. This will help us see if the study medicine is safe. Participants will take part in this study for 28 days. During this time, study doctor collects the data of subjects to understand the safety of study medicine. There is no strict fixed visit schedule. If subjects are unable to visit the study clinic 28 days after Prevenar 20 vaccine was given then the safety information will be collected by telephone or e-mail.
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Frequency of solicited systemic reactions
Timeframe: From Day 1 through Day 7 after vaccination, where Day 1 is the day of vaccination
Frequency of solicited local reactions
Timeframe: From Day 1 through Day 10 after vaccination, where Day 1 is the day of vaccination
Frequency of Adverse Events (AEs)
Timeframe: 28 days after vaccination
Frequency of Adverse Events Special Interest (AESI)
Timeframe: 28 days after vaccination
Frequency of Adverse Drug Reactions (ADRs)
Timeframe: 28 days after vaccination
Frequency of Serious Adverse Events (SAEs)
Timeframe: 28 days after vaccination
Frequency of Serious Adverse Drug Reactions (SADRs)
Timeframe: 28 days after vaccination
Frequency of Unexpected AEs
Timeframe: 28 days after vaccination
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Frequency of Unexpected ADRs
Timeframe: 28 days after vaccination
Frequency of Unexpected SAEs
Timeframe: 28 days after vaccination
Frequency of Unexpected SADRs
Timeframe: 28 days after vaccination