Posted by: BIBS | 2004/11/23



Is it at all possible that the BCG vaccine for TB etc can cause a baby to later develop the TB (from the vaccine that is) apparently there is a minute chance of this happening? If there is absolutely nobody else the child has come into contact with that tests positive for TB how can a child then contract the disease if without the contact?

Is there a way of proving that the BCG could of caused it so that the parents at least are sure where the child contracted it?


Expert's Reply



BCG is a live vaccine derived from cow TB. It may rarely cause side-effects, but this is usually very easy to identify with a swoolen gland in the right axilla (armpit). It does not cause TB, but rather protects against it. Only in VERY rare instances when a child's immune system is severely weakened may it cause more severe disease, but this is not a concern for the average child.

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