[theold]

"It's really not stealth," he said. "What it means is that Omicron has two different sisters, if you will, BA.1 and BA.2. BA.1 is the one that had been dominating in the United States. When you looked at the PCR [test], [BA.1] looked differently than Delta did.

"BA.2 looks exactly the same as Delta, so it's just as easy to detect. It just looks like Delta on PCR," he said.




https://www.cbsnews.com/news/omicron-sub...r-dr-agus/