1 c kidney function test is not required
2.c it is a case is asymptomatic congenital infection so needs to be treated
Csf and cbc should always be done before deciding about the Duration of penicillin .
Mother is not taking Treatment .
Now consider infant
First antibody titer are not raised and second physical examination is normal.
So this becomes possible congenital infection.
What next to be given will depend on evaluation by CBC and CSF examination.
If complete evaluation is normal and follow up is certain then a single dose only is required.
But if complete evaluation not done or uncertain follow up then for 10 days
5 c parvo virus b 19 infection