Lymphadenitis and lichen scofulosorum following bacille calmette-guérin vaccination in an infant.

BCG vaccine has been in use since 1974 to control TB in endemic areas.[[1]] The incidence of local complications due to the BCG vaccine is approximately 1 in 1000 individuals. which is higher in younger ages, possibly due to impaired Th1 immunity.[[2]] Serious adverse events following BCG vaccination occur in immunodeficiency states.[[3]] BCG lymphadenitis is the most common complication of BCG vaccination. Sir, Bacille Calmette-Guérin (BCG) vaccination can lead to various local and systemic complications that cause significant morbidity in children. Lymphadenitis and lichen scofulosorum following bacille calmette-guérin vaccination in an infant. [Extracted from the article]