Bernard Nkrumah*, Samuel EK Acquah, Lukeman Ibrahim, Juergen May, Norbert Brattig, Egbert Tannich, Samuel B Nguah, Yaw Adu-Sarkodie and Frank Huenger
* Corresponding author: Bernard Nkrumah skrakyo@yahoo.com
BMC Infectious Diseases 2011, 11:143 doi:10.1186/1471-2334-11-143