highly pathogenic

    By Daniel Oladimeji Oluwayelu, University of Ibadan   There has been an outbreak of H5N1 bird flu in Ouagadougou, Burkina Faso’s capital. The viral disease, also called avian influenza, killed 441 chickens out of a flock of 641 on a farm. There have been several outbreaks bird flu across Africa over the past 18 years. Nigeria was the first African country to report an outbreak in February 2006. […]