Consumption function junction
The tuberculosis vaccine (Bacillus Calmette-Guérin or BCG to its friends) is a bit odd — in a good way. It not only protects newborns from TB but also other infections, most importantly sepsis.
But no one knew why.
[Researchers] identified a dramatic and rapid increase in neutrophils—white blood cells that patrol the body and destroy invading bacterial pathogens—in mice and babies within three days of BCG vaccination.
The downside: It only works for newborns.