Delta Covid-19 Variant Greatest Threat to US Pandemic Response, Says Top US Scientist
The Delta variant is becoming the globally dominant version of the disease, the World Health Organization's chief scientist said on Friday.
from Top World News- News18.com https://ift.tt/3j3Ci62
from Top World News- News18.com https://ift.tt/3j3Ci62
Delta Covid-19 Variant Greatest Threat to US Pandemic Response, Says Top US Scientist
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