BCGFreq.FrequencyTop 100,000Meanings1nounBCG; Bacille Calmette-Guérin (TB vaccine)Medical term for the tuberculosis vaccine; commonly referred to by the abbreviation BCG.日本にほんでは、乳にゅう児じ期きにBCGの予よ防ぼう接せっ種しゅを受うけることが多おおい。In Japan, infants often receive the BCG vaccination.