By Andrea Kelley
Courtesy The Journal
akelley@upstatetoday.com

STATE — Omicron has made a reappearance for the summer holidays, and it has brought a new subvariant along with it.

Omicron is the only strain of COVID-19 the Centers for Disease Control and Prevention (CDC) had listed as a variant of concern as of Friday.

The CDC said it was of concern because of its potential for increased transmissibility and

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