BA.2 Omicron: What to Know About the New Covid Variant


Daniela Hernandez – WSJ

A new Omicron variant, known as BA.2, is spreading throughout the world. In the U.S., it’s now the dominant version of the Covid-causing virus. That has public health experts worried about potential new Covid-19 surges. WSJ’s Daniela Hernandez explains what you need to know about this new, more transmissible Covid variant.

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