Molecular Characterization of Canine Parvovirus Variants CPV-2a and CPV-2c, Associated with Vaccinated Dogs at Libreville, Gabon oleh Gael Darren Maganga, Ingrid Labouba, Serda Zita Milendz Ikapi, Andriniaina Andy Nkili-Meyong, Audrey Michel Ngonga Dikongo, Larson Boundenga, Barthelemy Ngoubangoye, Christelle Memvie, Brice Serge Kumulungui