Exposures, if they are mild, in the sense of barely just a small concentration, it's mostly an irritant, particularly the peroxides, that in that smoke would irritate the skin or even irritate the lungs. So, for the most time, it could be either just a little bit of a nuisance irritant, or if you get a really big whiff of it, particularly people who have, for example, reversible airways disease, like asthma or different types of hypersensitivity diseases, you could get a serious problem.

Today we know the best way to prevent the spread of Ebola infection is through public health measures.

I enjoy very much communication. I think that scientists need to communicate.

When a company is fairly certain of a profit margin that is substantial, it can assume responsibility for the clinical trials to develop a blockbuster drug.

I think, collectively, we should be paying more attention to what is going on around us in the world among people who dont have the advantages that we have.

Although it is still important to develop an HIV vaccine, we have significant tools already at our disposal that can make a major impact on the trajectory of this epidemic.

Science is telling us that we can do phenomenal things if we put our minds and our resources to it.