The Centers for Disease Control and Prevention said this week that the fastspreading Omicron subvariants BA.4 and BA.5 together are estimated to make up half of the coronavirus cases in the United States
from Top World News- News18.com https://ift.tt/HniyATO
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from Top World News- News18.com https://ift.tt/HniyATO
via Click here
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