Media Player
To play this content JavaScript must be turned on and the latest Flash player installed.
A number of African countries have today stepped up their efforts to stave off swine flu.
The World Health Organisation has raised the threat level for swine flu from four to five - just one step below a full-blown pandemic in which there is widespread transmission from human to human.
This report was compiled by Noel Mwakugu in Nairobi.
Most Popular Now
BBC iD
BBC iDBBC navigation
BBC links
BBC © 2014The BBC is not responsible for the content of external sites. Read more.
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.
