With the recent proliferation of cyber-attacks, corporate executives need to devote increasing attention to protecting information assets and on-line operations, according to the report released today by the World Economic Forum (WEF) in collaboration with global consultancy McKinsey & Company.

Mr Gates, who is to attend the World Economic Forum's Annual Meeting, today said there is reason to be optimistic than ever about the future progress using vaccines to give all children a healthy start to life.

Swiss confederation president Didier Burkhalter, Nestle chairman Peter Brabeck-Letmathe, Kofi Annan foundation chairman Kofi Annan and Goldman Sachs International chairman Peter D Sutherland would be among the personalities participating in these sessions.