US increases genome sequencing by 20%, doubles vaccination speed where delta variant is found | अमेरिका ने जीनोम सीक्वेंसिंग 20% बढ़ाई, जहां डेल्टा वैरिएंट ज्यादा मिला वहां वैक्सीनेशन रफ्तार दोगुनी
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