Pediatr Infect Vaccine. 2015 Aug;22(2):69-74. Korean.
Published online Aug 28, 2015.
Copyright © 2015 The Korean Society of Pediatric Infectious Diseases
Original Article

A Survey of Doctors' Awareness of Simultaneous Vaccination

Hojun Lee, Hyun Seok Seo, Seok Won Choi, Ji Sung Kim, Eun Eui Kim, Cheol Am Kim, Byeong Hee Son and Kyun Woo Lee
    • Department of Pediatrics, Dae-Dong Hospital, Busan, Korea.
Received November 11, 2014; Revised January 26, 2015; Accepted March 06, 2015.

Abstract

Purpose

In this study, doctors were surveyed with a questionnaire to determine whether they performed simultaneous vaccination and whether there were any concerns about safety or anxiety. The purpose of this study was to determine any problems associated with doctors readily performing simultaneous vaccination.

Methods

A trained surveyor visited 241 doctors from every institution registered with the National Immunization Program (NIP) located within six districts (gu) in the City of Busan (Dongnae-gu, Geumjeong-gu, Yeonje-gu, Suyeong-gu, Busanjin-gu, Haeundae-gu); a total of 155 (64%) valid responses were obtained.

Results

Of the 155 respondents, 144 (93%) were already performing simultaneous immunizations and 141 (91%) had a positive view of the practice. However, among the 144 doctors performing simultaneous immunizations, 67 (47%) were not confident about its safety; side effects were seen after simultaneous immunization by 86 doctors, 35 (41%) of whom believed that the frequency or possibility of side effects in simultaneous immunizations was higher than that in sequential immunizations.

Conclusions

The use of simultaneous immunization is expanding quickly. However, among the doctors performing simultaneous immunizations, a high percentage had concerns over its unproven safety and potential side effects, indicating the need for academic societies or government institutions to present evidence to address such concerns.

Keywords
Immunization; Vaccination; Simultaneous vaccination; Doctors' awareness

Figures

Fig. 1
Perceptions of the necessity for simultaneous vaccination.

Fig. 2
Status of simultaneous vaccination implementation.

Fig. 3
Reasons for implementing simultaneous vaccination (multiple responses allowed).

Fig. 4
Perceptions of simultaneous vaccination safety.

Fig. 5
Risk awareness in simultaneous vaccination.

Tables

Table 1
Demographic Characteristics of the Survey Respondents

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