Does BCG Always Leave a Scar? The Complete Guide to Understanding the BCG Vaccine Reaction
The BCG (Bacillus Calmette-Guérin) vaccine has long been a topic of curiosity, particularly because of its distinctive aftermath: a small scar at the injection site. If you or your child has received the BCG vaccine, you’ve likely noticed this mark—sometimes faint, other times prominent—and wondered about its significance. Does the BCG vaccine always leave a … Read more