Covishield generated 93% protection against Covid, whereas mortality due to the infection came down by 98% during the second wave which was driven by Delta variant, officials said citing a vaccine effectiveness study conducted by Armed Forces Medical College.from India News | Latest News Headlines & Live Updates from India - Times of India https://ift.tt/3BL6t93
कोई टिप्पणी नहीं:
एक टिप्पणी भेजें