British Broadcasting Corporation

BBC RADIO 4

Today Weekdays 6-9am and Saturdays 7-9am

Page last updated at 07:31 GMT, Tuesday, 28 April 2009 08:31 UK

Up to 40% of population could become ill

The World Health Organization (WHO) has increased its alert level for a deadly swine flu virus. Professor Neil Ferguson, of the WHO, and science writer Vivienne Parry discuss if the outbreak can be contained.

Story Tools

Explore the BBC

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.
Americas Africa Europe Middle East South Asia Asia Pacific