He showed no sign of having needed to produce antibodies.

In such cases, the mother's body can produce antibodies that attack the baby's red blood cells.

But it takes weeks, months or years before infected people produce antibodies.

However, it can take up to three months from the time of infection - and sometimes even longer - for your body to produce antibodies.

It does this by producing antibodies against the body's tissue.

Two carried the virus for at least three years before they began producing antibodies.

All the patients produced antibodies that the researchers believe could protect them from the virus.

It takes time for the body to produce enough antibodies to be detectable.

What if the toxin had forced his body to produce antibodies?

Your doctor may also perform a blood test to check the levels of antibodies produced by the immune system.