A child born to a syphilitic mother will not infect the mother but will infect others . this is called?

NEET PG
#1

a child born to a syphilitic mother will not infect the mother but will infect others .
this is called ?
a. colle’s law
b. profeta’s law
c. kassowitz law
d. diday’s law
answer: a . colle’s law .