European CDC Calls Omicron BA.4, BA.5 Covid-19 Variants Of Concern

European CDC Calls Omicron BA.4, BA.5 Covid-19 Variants Of Concern

With the BA.4 and BA.5 Omicron subvariants spreading, Portugal has been experiencing an upswing in … [+] Covid019 cases. (Photo by Jorge Mantilla/NurPhoto via Getty Images) NurPhoto via Getty Images When something goes from being of interest to being a concern, it’s usually taken a turn for the worse. That would apply to a date, …

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