Adverse Events of Trivalent Influenza Vaccine among Health Care Workers in Iran

Abstract

Background: To assess the frequency and type of adverse events after influenza vaccination in Iranian adults. Methods: Health care workers in 7 medical centers received the influenza vaccine from October 2006 to February 2007 and fol­lowed by phone regarding symptoms experienced after vaccination. Results: Of 897 adults who participated in the study, local and systemic reactions were reported by 187 (20.8%) and 198 (22.1%) persons, respectively. The most common local reaction was pain (20.2%), while myalgia (15.8%) was the most com­mon systemic reaction. One case of Guillain-barre syndrome was reported. Conclusion: Inactivated influenza vaccine administration did not result in potential adverse events in healthy adults.

Keywords

• Influenza
• Vaccination
• Adverse events
• Healthy adults