Margaret Chan

(Newser) - The World Health Organization says it's on high alert over outbreaks of bird flu that have killed people in China and caused large-scale slaughtering of birds elsewhere. "The rapidly expanding geographical distribution of these outbreaks and the number of virus strains currently co-circulating have put WHO on high...

(Newser) - More and more microbes are evolving to resist antibiotics—and that means that all we thought we knew about medicine may soon change, says the head of the World Health Organization. "A post-antibiotic era means, in effect, an end to modern medicine as we know it. Things as common...

(Newser) - World Health Organization chief Margaret Chan told a summit in Mexico today that, though most cases of swine flu were not deadly, the virus cannot be stopped, the BBC reports. “With well over 100 countries reporting cases, once a fully fit pandemic virus emerges, its further international spread is...

(Newser) - The World Health Organization believes the outbreak of swine flu in Mexico and the southwestern United States could grow into a pandemic, the Washington Post reports. “It has pandemic potential,” said WHO’s director-general. “It is infecting people.” Margaret Chan cautioned that the WHO is still...