According to the Centers for Disease Control and Prevention (CDC), this variant is now the most dominant strain of COVID-19 in the US. This new dominant strain is called BA.5. What we know about the Omicron variant: The three most common subvariants of Omicron are BA.2, BA.4, and ...
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Abstract Coronavirus disease 2019 (COVID-19) has continued to spread globally since late 2019, representing a formidable challenge to the world’s healthcare systems, wreaking havoc, and spreading rapidly through human contact. With fever, fatigue, and a persistent dry cough being the hallmark sym...