Global health officials back AstraZeneca vaccine after South Africa study rings alarm
Health officials around the world gave their backing to the AstraZeneca vaccine against COVID-19, after a study showing it had little effect against mild disease caused by the variant now spreading quickly in South Africa rang global alarm.
from bdnews24.com - Home https://ift.tt/36YceT0
from bdnews24.com - Home https://ift.tt/36YceT0
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