en Infectious Diseases Infectious Diseases Original Article Original Article <p dir="ltr"><font face="Times New Roman"><b><i><span>Background: </span></i></b><span style="font-size: 10pt;"><font color="#000000">BCG vaccination which is administered to prevent tuberculosis is sometimes associated with serious complications. This study aimed to determine the incidence of complications of BCG vaccination in Babol.</font></span></font></p> <p dir="ltr"><font face="Times New Roman"><b><i><span>Methods:</span></i></b><span style="font-size: 10pt;"><font color="#000000"> All infants who received BCG vaccination between 2011-2013 in health centers of Babol entered the study. Data regarding complications of vaccine were extracted according to the National Inventory of babies. All complicated cases were confirmed by the Academic Committee to review the adverse consequences of the vaccine.</font></span></font></p> <p dir="ltr"><font face="Times New Roman"><b><i><span>Results:</span></i></b><span style="font-size: 10pt;"><font color="#000000"> Among the 15984 vaccinated neonates, 150 (0.93%) cases presented lymphadenitis. 46.5% were females and 53.5% were males 43% were rural residents and 57% were urban residents. No cases of lymphadenitis including 1% of lymphadenitis with abscess formation were recovered without treatment. Disseminated infection occurred in 3 cases of immune deficient patients who responded to the treatment. Most complications occurred during 4 months after vaccination.</font></span></font></p> <p dir="ltr"><font face="Times New Roman"><b><i><span>Conclusion: </span></i></b><span style="font-size: 10pt;"><font color="#000000">According to the results of this study, the prevalence of lymphadenitis in Babol was higher than the standard of WHO. This may be attributed to type and vaccine storage and injection technique. These findings justify further training of health-center workers.</font></span></font></p> BCG vaccine, complications, lymphadenitis, disseminated TB 48 51 http://caspjim.com/browse.php?a_code=A-10-125-4&slc_lang=en&sid=1 Rahim Barari-Savadkoohi Savadkohi330@yahoo.com 10031947532846004820 10031947532846004820 No Tropical and Infectious Disease Research Center, Babol University of Medical Sciences, Babol, Iran Azin Shour Savadkohi330@yahoo.com 10031947532846004821 10031947532846004821 No Deputy of Health, Babol University of Medical Sciences, Babol, Iran Jila Masrour-Roudsari Masrour_j@yahoo.com 10031947532846004822 10031947532846004822 Yes Tropical and Infectious Disease Research Center, Babol University of Medical Sciences, Babol, Iran