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

This quote by Luc Montagnier suggests that ethical professionals have raised concerns in meetings he has actually attended, however that there is no obvious answer to the problems raised. This could mean that the ethical specialists have determined a problem, but that the solution is not instantly obvious. It might also suggest that the ethical specialists have determined a variety of possible options, however that none are ideal. This might be due to the intricacy of the concern, or the reality that the services may have contrasting implications. It might also be that the ethical experts have actually recognized an option, but that it is not practical or practical. In any case, this quote suggests that ethical experts have actually recognized a problem, but that there is no clear option.