Margaret Chan, a regular on the FORBES 100 Most Powerful Women list landed at No. 58.

FORBES: Meet The 15 Leaders Who Join World's Most Powerful People

"It really is all of humanity that is under threat during a pandemic, " said Dr. Margaret Chan, the WHO's director-general.

CNN: Confirmed swine flu cases leap

World Health Organisation Director General Margaret Chan has called for the global adaptation of the Indian lessons to finish polio everywhere.

BBC: India's battle to finish off polio

Dr Margaret Chan, Director-General of the WHO, said these ancient diseases were already being "brought to their knees with stunning speed".

BBC: Plan to cut burden of tropical disease

When it comes and where Margaret Chan says that it is only a matter of time and not when, it will totally decimate global business and international trade.

FORBES: Connect

Dr. Margaret Chan, the U.N. agency's director-general, said the decision to raise the alert on the 6-point scale indicated that all countries should "immediately" activate pandemic preparedness plans.

CNN: WHO raises pandemic alert to second-highest level

The next morning, the Secretary-General met with Margaret Chan, Director-General of the World Health Organization (WHO) with whom he talked about the United Nations response to H1N1 influenza.

UN: Secretary-General

Margaret Chan, assistant director-general of communicable diseases at the WHO, hinted on Wednesday that further funding for new stockpiles of anti-virals was likely to be announced soon, including additional money from the World Bank.

ECONOMIST: Calls for more money as the threat looms ever larger | The

Undurraga is particularly concerned about the NARMS findings because it means the consumption of meat is adding to what the director-general of the World Health Organization, Dr. Margaret Chan, last year called a "post-antibiotic era" in which antibiotics will no longer work to fight disease because too many bacteria have developed resistance to it.

CNN: What government tests found in your meat

Undurraga is particularly concerned about the NARMS findings because it means the consumption of meat is adding to what the director of the World Health Organization, Dr. Margaret Chan, last year called a "post-antibiotic era, " or an era in which antibiotics will no longer work to fight disease because too many bacteria have developed resistance to it.

CNN: What government tests found in your meat