What You Need to Know About the Kraken Covid Variant

Since Omicron became the world’s dominant Covid variant, it’s taken on a lot of shapes. First there was BA.1, then BA.5, and eventually others, including BQ.1 and BQ.1.1. Now all eyes are on another scrambled string of letters and numbers—XBB.1.5, also known as the Kraken, which has swept the northeastern US in recent weeks.

The World Health Organization (WHO) has deemed XBB.1.5 the most transmissible version of the Omicron variant to date and announced that countries should consider recommending masks for risky situations, like flights. It’s quickly becoming dominant in parts of the US, and some experts are worried it may be able to dodge immunity from past infections and possibly vaccines.

Any time a new

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