Duba zuwa sakin layi na ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda sakin layi yake: Matsayi: Hanyar al'ada ta rigakafin yara a Amurka shine allurai biyar tsakanin watanni 2 da shekaru 15. Ga manya, ana ba da shawarar Td boosters a kowace shekara 10. Tambaya: A wane shekaru ne yara a Amurka ke fara karɓar rigakafi?
Watanni 2