US Secretary of State Clinton attends commemoration of Mumbai attacks

The speaker begins by apologizing for any inconvenience caused, mentioning extensive travel. They provide a brief update on their health, noting improvements but still avoiding handshakes as a precaution.

What could be the reason for the speaker's apology?

What does the speaker mean by 'Have traveling so'?

How does the speaker feel about their current situation?

What improvements does the speaker mention?

What does the phrase 'still not shaking hands' imply?