It's clear that prevention will never be sufficient. That's why we need a vaccine that will be safe.

The idea of the live-virus vaccine is to produce in a continuous way some viral antigens.

Since most of the transmission is sexual transmission, you have a regional or local response to the virus.

AIDS win be our first priority, but in two years' time we don't know where AIDS research will stand, so we are also thinking of activity on other diseases.

I've participated in meetings where there were concerns by ethical experts. There is no clear solution.

The center will be fully operational in two years' time, but probably in the middle of the year we will have a temporary laboratory of 4,000 square feet.

We don't know why, but there are some gradients of infection.