<p>B. Siri* 1,2</p><p>GM. KU 3</p><p>&nbsp;O. Ouédraogo 1</p><p>E. Zouré 1</p><p>Correspondance : siribf@yahoo.fr&nbsp;</p><p><br>1. Ministry of health, Burkina Faso<br>2. AfricaCDC, AES<br>3. Institute of tropical medicine of Antwerp<br><br></p>