It can be a challenge for (flight crews) who aren't medical professionals. Outwardly, a respiratory infection can look like a common cold.
We think the drinking water on aircraft is safe to drink and has been.
The airlines are part of the overall surveillance network. We have a history of working with CDC to identify passengers who might be ill.
At this point we are comfortable with our relationship with the CDC and confident that they will inform us if the situation changes that mandates a different approach.
We don't think that, as proposed, this is a workable approach.