This might get so bad that it can cause permanent irreversible damage, that leads to lifelong disabilities.

这可能会变得如此糟糕，以至于造成永久性的不可逆转的损害，从而导致终身残疾。

So things that babies are born with, such as microcephaly, which literally means small head, and the babies born with microcephaly can have lifelong disabilities.

因此，婴儿出生时就会患有小头畸形，字面意思是头小，出生时患有小头畸形的婴儿可能会终身残疾。