| 摘要 |
<p>The invention relates to live attenuated VDV2 (VERO-Derived Vaccine Dengue serotype 2) strains which have been derived from the wild-type dengue-2 strain 16681 by passaging on PDK and Vero cells and nucleic acids thereof. The invention further relates to a vaccine composition which comprises a VDV2 strain.</p> |
