Science is always inquiring.

Many of our own people here in this country do not ask about computers, telephones and television sets. They ask - when will we get a road to our village.

Well, because lots of questions had been raised about the toxicity of the drug, which is very serious.

The concern around probable questions, which in a sense have been hidden, will grow around the world and the matter is critical, the reason we are doing all this is so we can respond correctly to what is reported to be a major catastrophe on the African continent.

That surely must be a concern to anyone who decides this drug must be given to stop transmissions, again from mother to child, which is extremely costly and must be taken into account.

I say that why don't we bring all points of view. Sit around a table and discuss this evidence, and produce evidence as it may be, and let's see what the outcome is, which is why we are having this International panel which we are all talking about.