Russian President Vladimir Putin had announced that his country has developed the worlds first vaccine against COVID19, which works quite effectively and forms a stable immunity against the disease
रशियाचे राष्ट्रपती व्लादिमीर पुतिन यांनी घोषणा केली होती की, रशियाने कोविड-19 वर प्रभावी लस तयार केली आहे.