Covid: Third booster vaccine may make immunity last longer
Covid: Third booster vaccine may make immunity last longer Mon, Apr 19 2021 19:36 IST | 3 Views Novel personalised cancer vaccine safe: Study.. Image Source: IANS News New Delhi, April 19 : The coronavirus is mutating, producing new variants and spreading rapidly across the world. While the available vaccines may be able to hold fort against these new variants, it is not yet known how long our immunity will last. Hence, a third booster vaccine or an annual vaccine may be key in protecting people, health experts said on Monday. Since the beginning of the coronavirus pandemic in Nove...