8老師,我父母都已經超過65歲。按照移民綠卡申請要求,他們必須需要MMR疫苗嗎? -I think so, but ask the Dr. who will do the physical exam for your father because the Dr. is the specialist recognized by USCIS. 有的體檢醫生說需要,有的說不需要。到底需不需要?他們需要pheumonia 疫苗嗎?