The possible impact of the virus [Zika] an extraordinary event and a public health threat to other parts of the world.

Some experts say we are moving back to the pre-antibiotic era. No. This will be a post-antibiotic era. In terms of new replacement antibiotics, the pipeline is virtually dry. A post-antibiotic era means, in effect, an end to modern medicine as we know it. Things as common as strep throat or a child's scratched knee could once again kill.

Mexico is a safe, as well as a beautiful and warmly gracious, place to visit.

I am personally overseeing changes that include the establishment of a global health emergency workforce.

Antimicrobial resistance is on the rise in Europe and elsewhere in the world. We are losing our first-line antimicrobials. Replacement treatments are more costly, more toxic, need much longer durations of treatment, and may require treatment in intensive care units.

The unique nature about the influenza virus is its great potential for changes, for mutation.

When WHO works with the private sector, the Organization takes all possible measures to ensure its work to develop policy and guidelines is protected from industry influence.